diff --git a/main.js b/main.js
index 2e2434b..b8a9acb 100644
--- a/main.js
+++ b/main.js
@@ -1,7 +1,145 @@
-const { Plugin, Modal } = require('obsidian');
+const { Plugin, Modal, PluginSettingTab, Setting, Notice, TFolder, TFile } = require('obsidian');
 const { EditorView, Decoration, ViewPlugin, WidgetType } = require('@codemirror/view');
 const { RangeSetBuilder } = require('@codemirror/state');
 
+const SYNTAX_REGEX = /\{\/\{([^\/\n]+)\/([^}\n]+)\}\/\}/g;
+
+const DEFAULT_SETTINGS = {
+  dictionaries: [],
+};
+
+function escapeRegex(str) {
+  return str.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
+}
+
+function generateId() {
+  return `${Date.now()}-${Math.random().toString(36).substr(2, 9)}`;
+}
+
+function pathMatchesScope(dictionary, filePath) {
+  if (!filePath) return false;
+  if (!dictionary.path) return false;
+
+  if (dictionary.type === 'note') {
+    const normalized = dictionary.path.endsWith('.md') ? dictionary.path : `${dictionary.path}.md`;
+    return filePath === dictionary.path || filePath === normalized;
+  }
+
+  if (dictionary.type === 'folder') {
+    const folder = dictionary.path.replace(/^\/+/, '').replace(/\/+$/, '');
+    if (folder === '' || folder === '/') return true;
+    return filePath === folder || filePath.startsWith(folder + '/');
+  }
+
+  return false;
+}
+
+function getAllFolderPaths(app) {
+  const folders = [];
+
+  const recurse = (folder) => {
+    if (folder.path && folder.path !== '/') folders.push(folder.path);
+    folder.children.forEach(child => {
+      if (child instanceof TFolder) recurse(child);
+    });
+  };
+
+  recurse(app.vault.getRoot());
+  folders.unshift('/');
+  return folders;
+}
+
+class PathSuggest {
+  constructor(inputEl, items, onSelect) {
+    this.inputEl = inputEl;
+    this.items = items;
+    this.onSelect = onSelect;
+    this.containerEl = null;
+
+    this.handleInput = () => this.render(this.getMatches());
+    this.handleFocus = () => this.render(this.getMatches());
+    this.handleBlur = () => {
+      window.setTimeout(() => this.close(), 150);
+    };
+    this.handleKeyDown = (e) => {
+      if (e.key === 'Escape') this.close();
+    };
+
+    this.inputEl.addEventListener('input', this.handleInput);
+    this.inputEl.addEventListener('focus', this.handleFocus);
+    this.inputEl.addEventListener('blur', this.handleBlur);
+    this.inputEl.addEventListener('keydown', this.handleKeyDown);
+  }
+
+  getMatches() {
+    const query = this.inputEl.value.toLowerCase();
+    return this.items.filter(item => item.toLowerCase().includes(query)).slice(0, 50);
+  }
+
+  render(matches) {
+    this.close();
+    if (matches.length === 0) return;
+
+    const rect = this.inputEl.getBoundingClientRect();
+    const container = document.createElement('div');
+    container.className = 'tooltip-path-suggest';
+    container.style.position = 'fixed';
+    container.style.zIndex = '2147483647';
+    container.style.left = `${rect.left}px`;
+    container.style.top = `${rect.bottom + 2}px`;
+    container.style.width = `${rect.width}px`;
+    container.style.maxHeight = '220px';
+    container.style.overflowY = 'auto';
+    container.style.backgroundColor = 'var(--background-primary)';
+    container.style.border = '1px solid var(--background-modifier-border)';
+    container.style.borderRadius = '6px';
+    container.style.boxShadow = '0 6px 18px rgba(0, 0, 0, 0.25)';
+
+    matches.forEach(item => {
+      const itemEl = document.createElement('div');
+      itemEl.textContent = item;
+      itemEl.style.padding = '6px 10px';
+      itemEl.style.cursor = 'pointer';
+      itemEl.style.fontSize = '0.9em';
+
+      itemEl.addEventListener('mouseenter', () => {
+        itemEl.style.backgroundColor = 'var(--background-modifier-hover)';
+      });
+      itemEl.addEventListener('mouseleave', () => {
+        itemEl.style.backgroundColor = '';
+      });
+
+      itemEl.addEventListener('mousedown', (e) => {
+        e.preventDefault();
+        this.inputEl.value = item;
+        this.inputEl.dispatchEvent(new Event('input'));
+        if (this.onSelect) this.onSelect(item);
+        this.close();
+      });
+
+      container.appendChild(itemEl);
+    });
+
+    document.body.appendChild(container);
+    this.containerEl = container;
+  }
+
+  close() {
+    if (this.containerEl) {
+      this.containerEl.remove();
+      this.containerEl = null;
+    }
+  }
+
+  destroy() {
+    this.close();
+    this.inputEl.removeEventListener('input', this.handleInput);
+    this.inputEl.removeEventListener('focus', this.handleFocus);
+    this.inputEl.removeEventListener('blur', this.handleBlur);
+    this.inputEl.removeEventListener('keydown', this.handleKeyDown);
+  }
+}
+
 class TooltipWidget extends WidgetType {
   constructor(plugin, word, tooltip) {
     super();
@@ -52,32 +190,88 @@ const tooltipViewPlugin = (plugin) => {
 
       buildDecorations(view, plugin) {
         const builder = new RangeSetBuilder();
-        const regex = /\{\/\{([^\/\n]+)\/([^}\n]+)\}\/\}/g;
         const cursorPos = view.state.selection.main.head;
         const text = view.state.doc.toString();
 
+        const ranges = [];
+
         let match;
-        while ((match = regex.exec(text)) !== null) {
+        SYNTAX_REGEX.lastIndex = 0;
+        while ((match = SYNTAX_REGEX.exec(text)) !== null) {
           const start = match.index;
           const end = start + match[0].length;
 
           if (cursorPos < start || cursorPos > end) {
             const word = match[1].trim();
             let tooltip = match[2].trim().replace(/\}$/, "");
-            
+
             const lines = tooltip.split('\n').map(line => line.trim()).filter(line => line.length > 0);
             tooltip = lines.join(' / ');
 
-            builder.add(start, end, Decoration.replace({
-              widget: new TooltipWidget(plugin, word, tooltip),
-            }));
+            ranges.push({
+              start,
+              end,
+              deco: Decoration.replace({ widget: new TooltipWidget(plugin, word, tooltip) }),
+            });
           }
         }
 
+        const filePath = plugin.getCurrentFilePath(view);
+        const dictMap = plugin.getDictionaryWordsForPath(filePath);
+
+        if (dictMap.size > 0) {
+          const dictRegex = plugin.buildDictionaryRegex(dictMap);
+          if (dictRegex) {
+            dictRegex.lastIndex = 0;
+            let dMatch;
+            while ((dMatch = dictRegex.exec(text)) !== null) {
+              const start = dMatch.index;
+              const end = start + dMatch[0].length;
+
+              const overlaps = ranges.some(r => start < r.end && end > r.start);
+              if (overlaps) continue;
+              if (cursorPos >= start && cursorPos <= end) continue;
+
+              const matchedWord = dMatch[0];
+              const tooltip = dictMap.get(matchedWord.toLowerCase());
+              if (!tooltip) continue;
+
+              ranges.push({
+                start,
+                end,
+                deco: Decoration.mark({
+                  class: 'tooltip-word tooltip-dict-word',
+                  attributes: { 'data-tooltip': tooltip },
+                }),
+              });
+            }
+          }
+        }
+
+        ranges.sort((a, b) => a.start - b.start);
+        ranges.forEach(r => builder.add(r.start, r.end, r.deco));
+
         return builder.finish();
       }
     },
-    { decorations: (v) => v.decorations }
+    {
+      decorations: (v) => v.decorations,
+      eventHandlers: {
+        mouseover(e, view) {
+          const target = e.target;
+          if (target && target.classList && target.classList.contains('tooltip-dict-word')) {
+            const tooltip = target.getAttribute('data-tooltip');
+            if (tooltip) plugin.showTooltip(target, tooltip);
+          }
+        },
+        mouseout(e, view) {
+          const target = e.target;
+          if (target && target.classList && target.classList.contains('tooltip-dict-word')) {
+            plugin.hideTooltip();
+          }
+        },
+      },
+    }
   );
 };
 
@@ -146,16 +340,16 @@ class TooltipPlugin extends Plugin {
 
   processMarkdownLine(line) {
     line = this.escapeHtml(line);
-    
+
     line = line.replace(/`([^`]+)`/g, '<code>$1</code>');
     line = line.replace(/\*\*([^\*]+)\*\*/g, '<strong>$1</strong>');
     line = line.replace(/\*([^\*]+)\*/g, '<em>$1</em>');
     line = line.replace(/==([^=]+)==/g, '<mark>$1</mark>');
-    
+
     line = line.replace(/\[([^\]]+)\]\(([^\)]+)\)/g, (match, text, url) => {
       return `<a href="${url}" class="external-link" target="_blank" rel="noopener">${text}</a>`;
     });
-    
+
     line = line.replace(/\[\[([^\]]+)\]\]/g, (match, link) => {
       const parts = link.split('|');
       const href = parts[0];
@@ -172,25 +366,157 @@ class TooltipPlugin extends Plugin {
     return div.innerHTML;
   }
 
-  onload() {
+  async loadSettings() {
+    const data = await this.loadData();
+    this.settings = Object.assign({}, DEFAULT_SETTINGS, data);
+    if (!Array.isArray(this.settings.dictionaries)) {
+      this.settings.dictionaries = [];
+    }
+  }
+
+  async saveSettings() {
+    await this.saveData(this.settings);
+  }
+
+  getCurrentFilePath(view) {
+    const activeFile = this.app.workspace.getActiveFile();
+    return activeFile ? activeFile.path : null;
+  }
+
+  getDictionaryWordsForPath(filePath) {
+    const map = new Map();
+    if (!filePath || !this.settings) return map;
+
+    for (const dictionary of this.settings.dictionaries) {
+      if (!pathMatchesScope(dictionary, filePath)) continue;
+      for (const entry of dictionary.words || []) {
+        if (!entry.word) continue;
+        map.set(entry.word.trim().toLowerCase(), entry.tooltip);
+      }
+    }
+
+    return map;
+  }
+
+  buildDictionaryRegex(dictMap) {
+    const words = Array.from(dictMap.keys()).filter(w => w.length > 0);
+    if (words.length === 0) return null;
+
+    words.sort((a, b) => b.length - a.length);
+    const pattern = words.map(escapeRegex).join('|');
+    return new RegExp(`(?<![\\p{L}\\p{N}_])(${pattern})(?![\\p{L}\\p{N}_])`, 'giu');
+  }
+
+  decorateDictionaryWordsInElement(el, filePath) {
+    const dictMap = this.getDictionaryWordsForPath(filePath);
+    if (dictMap.size === 0) return;
+
+    const regex = this.buildDictionaryRegex(dictMap);
+    if (!regex) return;
+
+    const skipTags = new Set(['CODE', 'PRE', 'A', 'SCRIPT', 'STYLE']);
+
+    const walker = document.createTreeWalker(el, NodeFilter.SHOW_TEXT, {
+      acceptNode: (node) => {
+        let parent = node.parentElement;
+        while (parent && parent !== el) {
+          if (skipTags.has(parent.tagName)) return NodeFilter.FILTER_REJECT;
+          if (parent.classList && parent.classList.contains('tooltip-word')) return NodeFilter.FILTER_REJECT;
+          parent = parent.parentElement;
+        }
+        return NodeFilter.FILTER_ACCEPT;
+      },
+    });
+
+    const textNodes = [];
+    let current;
+    while ((current = walker.nextNode())) {
+      textNodes.push(current);
+    }
+
+    textNodes.forEach(textNode => {
+      const text = textNode.nodeValue;
+      regex.lastIndex = 0;
+      if (!regex.test(text)) return;
+      regex.lastIndex = 0;
+
+      const fragment = document.createDocumentFragment();
+      let lastIndex = 0;
+      let match;
+
+      while ((match = regex.exec(text)) !== null) {
+        const start = match.index;
+        const end = start + match[0].length;
+
+        if (start > lastIndex) {
+          fragment.appendChild(document.createTextNode(text.slice(lastIndex, start)));
+        }
+
+        const matchedWord = match[0];
+        const tooltip = dictMap.get(matchedWord.toLowerCase());
+
+        const span = document.createElement('span');
+        span.className = 'tooltip-word tooltip-dict-word';
+        span.textContent = matchedWord;
+        span.setAttribute('data-tooltip', tooltip || '');
+
+        fragment.appendChild(span);
+        lastIndex = end;
+      }
+
+      if (lastIndex < text.length) {
+        fragment.appendChild(document.createTextNode(text.slice(lastIndex)));
+      }
+
+      textNode.parentNode.replaceChild(fragment, textNode);
+    });
+
+    el.querySelectorAll('.tooltip-dict-word').forEach(wordElement => {
+      wordElement.addEventListener('mouseenter', (e) => {
+        if (this.pinnedTooltip) return;
+        this.showTooltip(e.target, e.target.getAttribute('data-tooltip'));
+      });
+
+      wordElement.addEventListener('mouseleave', (e) => {
+        if (this.pinnedTooltip) return;
+        this.hideTooltip();
+      });
+
+      wordElement.addEventListener('click', (e) => {
+        e.stopPropagation();
+        const tooltipContent = e.target.getAttribute('data-tooltip');
+
+        if (this.pinnedTooltip === e.target) {
+          this.pinnedTooltip = null;
+          this.hideTooltip();
+        } else {
+          this.pinnedTooltip = e.target;
+          this.showTooltip(e.target, tooltipContent);
+        }
+      });
+    });
+  }
+
+  async onload() {
     console.log("Tooltip Plugin loaded");
 
     this.tooltipElement = null;
     this.pinnedTooltip = null;
 
+    await this.loadSettings();
+    this.addSettingTab(new TooltipSettingTab(this.app, this));
+
     this.registerEditorExtension(tooltipViewPlugin(this));
 
-    this.registerMarkdownPostProcessor((el) => {
-      const regex = /\{\/\{([^\/\n]+)\/([^}\n]+)\}\/\}/g;
-      el.innerHTML = el.innerHTML.replace(regex, (_, word, tooltip) => {
+    this.registerMarkdownPostProcessor((el, ctx) => {
+      el.innerHTML = el.innerHTML.replace(SYNTAX_REGEX, (_, word, tooltip) => {
         tooltip = tooltip.trim().replace(/\}$/, "");
-        const uniqueId = `tooltip-${Date.now()}-${Math.random().toString(36).substr(2, 9)}`;
-        
+
         const lines = tooltip.split('\n').map(line => line.trim()).filter(line => line.length > 0);
         const formattedTooltip = lines.join(' / ');
-        
+
         const escapedWord = this.escapeHtml(word.trim());
-        
+
         return `
           <span class="tooltip-word" data-tooltip="${formattedTooltip.replace(/"/g, '&quot;')}" onclick="event.stopPropagation();">
             ${escapedWord}
@@ -212,7 +538,7 @@ class TooltipPlugin extends Plugin {
         wordElement.addEventListener('click', (e) => {
           e.stopPropagation();
           const tooltipContent = e.target.getAttribute('data-tooltip');
-          
+
           if (this.pinnedTooltip === e.target) {
             this.pinnedTooltip = null;
             this.hideTooltip();
@@ -222,10 +548,12 @@ class TooltipPlugin extends Plugin {
           }
         });
       });
+
+      this.decorateDictionaryWordsInElement(el, ctx.sourcePath);
     });
 
     this.registerDomEvent(document, 'click', (e) => {
-      if (this.pinnedTooltip && !this.pinnedTooltip.contains(e.target) && 
+      if (this.pinnedTooltip && !this.pinnedTooltip.contains(e.target) &&
           (!this.tooltipElement || !this.tooltipElement.contains(e.target))) {
         this.pinnedTooltip = null;
         this.hideTooltip();
@@ -239,11 +567,11 @@ class TooltipPlugin extends Plugin {
         const selection = editor.getSelection();
         const word = selection || "word";
         const description = await this.promptForDescription(word);
-        
+
         const lines = description.split('\n')
           .map(line => line.trim())
           .filter(line => line.length > 0);
-        
+
         const formattedDescription = lines.join(' / ');
         const formatted = `{/{${word}/${formattedDescription}}/}`;
         editor.replaceSelection(formatted);
@@ -262,7 +590,7 @@ class TooltipPlugin extends Plugin {
     }
 
     const lines = content.split(' / ').map(line => line.trim());
-    
+
     const processedLines = lines.map(line => {
       if (line.match(/<[^>]+>/)) {
         return line;
@@ -270,31 +598,31 @@ class TooltipPlugin extends Plugin {
         return this.processMarkdownLine(line);
       }
     });
-    
+
     const tooltipHTML = processedLines.join('<br>');
     const sanitizedHTML = this.sanitizeHtml(tooltipHTML);
-    
+
     this.tooltipElement.innerHTML = sanitizedHTML;
-    
+
     const rect = element.getBoundingClientRect();
     const tooltipRect = this.tooltipElement.getBoundingClientRect();
-    
+
     let left = rect.left + (rect.width / 2) - (tooltipRect.width / 2);
     let top = rect.top - tooltipRect.height - 5;
-    
+
     if (left < 5) left = 5;
     if (left + tooltipRect.width > window.innerWidth - 5) {
       left = window.innerWidth - tooltipRect.width - 5;
     }
-    
+
     if (top < 5) {
       top = rect.bottom + 5;
     }
-    
+
     this.tooltipElement.style.left = left + 'px';
     this.tooltipElement.style.top = top + 'px';
     this.tooltipElement.classList.add('visible');
-    
+
     const internalLinks = this.tooltipElement.querySelectorAll('a.internal-link');
     const app = this.app;
     internalLinks.forEach(link => {
@@ -410,4 +738,202 @@ class TooltipPromptModal extends Modal {
   }
 }
 
+class DictionaryWordModal extends Modal {
+  constructor(app, existingEntry, onSubmit) {
+    super(app);
+    this.existingEntry = existingEntry || { word: '', tooltip: '' };
+    this.onSubmit = onSubmit;
+  }
+
+  onOpen() {
+    const { contentEl } = this;
+    contentEl.empty();
+    contentEl.createEl("h2", { text: this.existingEntry.word ? "Edit word" : "Add word" });
+
+    let wordValue = this.existingEntry.word;
+    let tooltipValue = (this.existingEntry.tooltip || '').split(' / ').join('\n');
+
+    new Setting(contentEl)
+      .setName("Word or phrase")
+      .addText(text => {
+        text.setValue(wordValue);
+        text.onChange(v => wordValue = v);
+        text.inputEl.style.width = "100%";
+      });
+
+    new Setting(contentEl)
+      .setName("Tooltip")
+      .addTextArea(textarea => {
+        textarea.setValue(tooltipValue);
+        textarea.onChange(v => tooltipValue = v);
+        textarea.inputEl.style.width = "100%";
+        textarea.inputEl.style.minHeight = "100px";
+      });
+
+    new Setting(contentEl)
+      .addButton(btn => {
+        btn.setButtonText("Save");
+        btn.setCta();
+        btn.onClick(() => {
+          if (!wordValue.trim()) {
+            new Notice("Enter a word or phrase");
+            return;
+          }
+
+          const lines = tooltipValue.split('\n')
+            .map(line => line.trim())
+            .filter(line => line.length > 0);
+          const formattedTooltip = lines.join(' / ');
+
+          this.onSubmit({ word: wordValue.trim(), tooltip: formattedTooltip });
+          this.close();
+        });
+      });
+  }
+
+  onClose() {
+    this.contentEl.empty();
+  }
+}
+
+class TooltipSettingTab extends PluginSettingTab {
+  constructor(app, plugin) {
+    super(app, plugin);
+    this.plugin = plugin;
+  }
+
+  display() {
+    this.display = this.display.bind(this);
+    this.containerEl.empty();
+
+    const { containerEl } = this;
+    containerEl.createEl("h2", { text: "Persistent Dictionaries" });
+    containerEl.createEl("p", {
+      text: "Dictionaries let you automatically apply tooltips to words in a specific note or across an entire folder of notes, without manually inserting {/{ }/} syntax.",
+    });
+
+    new Setting(containerEl)
+      .setName("Add a new dictionary")
+      .addButton(btn => {
+        btn.setButtonText("+ Dictionary");
+        btn.setCta();
+        btn.onClick(async () => {
+          this.plugin.settings.dictionaries.push({
+            id: generateId(),
+            path: '',
+            type: 'folder',
+            words: [],
+          });
+          await this.plugin.saveSettings();
+          this.display();
+        });
+      });
+
+    this.plugin.settings.dictionaries.forEach((dictionary) => {
+      this.renderDictionary(containerEl, dictionary);
+    });
+  }
+
+  renderDictionary(containerEl, dictionary) {
+    const box = containerEl.createDiv({ cls: "tooltip-dict-box" });
+    box.style.border = "1px solid var(--background-modifier-border)";
+    box.style.borderRadius = "8px";
+    box.style.padding = "12px";
+    box.style.marginTop = "16px";
+
+    new Setting(box)
+      .setName("Scope")
+      .addDropdown(dropdown => {
+        dropdown.addOption('folder', 'Folder');
+        dropdown.addOption('note', 'Specific note');
+        dropdown.setValue(dictionary.type);
+        dropdown.onChange(async (value) => {
+          dictionary.type = value;
+          await this.plugin.saveSettings();
+          this.display();
+        });
+      })
+      .addText(text => {
+        text.setPlaceholder(dictionary.type === 'note' ? 'Folder/Note.md' : 'Folder/Subfolder');
+        text.setValue(dictionary.path);
+        text.onChange(async (value) => {
+          dictionary.path = value.trim();
+          await this.plugin.saveSettings();
+        });
+        text.inputEl.style.width = "100%";
+
+        const items = dictionary.type === 'note'
+          ? this.plugin.app.vault.getMarkdownFiles().map(f => f.path)
+          : getAllFolderPaths(this.plugin.app);
+        new PathSuggest(text.inputEl, items, async (value) => {
+          dictionary.path = value;
+          await this.plugin.saveSettings();
+        });
+      })
+      .addExtraButton(btn => {
+        btn.setIcon("trash");
+        btn.setTooltip("Delete dictionary");
+        btn.onClick(async () => {
+          this.plugin.settings.dictionaries = this.plugin.settings.dictionaries.filter(d => d.id !== dictionary.id);
+          await this.plugin.saveSettings();
+          this.display();
+        });
+      });
+
+    const wordsContainer = box.createDiv({ cls: "tooltip-dict-words" });
+    wordsContainer.style.marginTop = "8px";
+
+    (dictionary.words || []).forEach((entry, index) => {
+      const row = wordsContainer.createDiv();
+      row.style.display = "flex";
+      row.style.alignItems = "center";
+      row.style.justifyContent = "space-between";
+      row.style.padding = "6px 0";
+      row.style.borderTop = "1px solid var(--background-modifier-border)";
+
+      const label = row.createDiv();
+      label.style.flexGrow = "1";
+      label.createEl("strong", { text: entry.word });
+      label.createEl("div", { text: entry.tooltip, cls: "tooltip-dict-preview" });
+      label.querySelector(".tooltip-dict-preview").style.color = "var(--text-muted)";
+      label.querySelector(".tooltip-dict-preview").style.fontSize = "0.9em";
+
+      const actions = row.createDiv();
+      const editBtn = actions.createEl("button", { text: "✎" });
+      editBtn.style.marginRight = "6px";
+      editBtn.onclick = () => {
+        const modal = new DictionaryWordModal(this.app, entry, async (updated) => {
+          dictionary.words[index] = updated;
+          await this.plugin.saveSettings();
+          this.display();
+        });
+        modal.open();
+      };
+
+      const deleteBtn = actions.createEl("button", { text: "✕" });
+      deleteBtn.onclick = async () => {
+        dictionary.words.splice(index, 1);
+        await this.plugin.saveSettings();
+        this.display();
+      };
+    });
+
+    const addWordSetting = new Setting(box)
+      .addButton(btn => {
+        btn.setButtonText("+ Word");
+        btn.onClick(() => {
+          const modal = new DictionaryWordModal(this.app, null, async (entry) => {
+            if (!dictionary.words) dictionary.words = [];
+            dictionary.words.push(entry);
+            await this.plugin.saveSettings();
+            this.display();
+          });
+          modal.open();
+        });
+      });
+    addWordSetting.settingEl.style.borderTop = "none";
+    addWordSetting.settingEl.style.marginTop = "8px";
+  }
+}
+
 module.exports = TooltipPlugin;