diff --git a/static/css/notes2.css b/static/css/notes2.css
index 743b4b3..b4d7e02 100644
--- a/static/css/notes2.css
+++ b/static/css/notes2.css
@@ -92,7 +92,7 @@ button {
 			border-right: none;
 		}
 
-		n2-tree {
+		n2-sidebar {
 			display: none;
 
 		}
@@ -164,7 +164,7 @@ button {
 
 	border-right: 1px solid var(--line-color);
 
-	n2-tree {
+	n2-sidebar {
 		.el-treenodes {
 			margin: 24px 32px 32px 32px;
 		}
@@ -508,7 +508,7 @@ dialog.op {
 	}
 
 	#tree {
-		n2-tree {
+		n2-sidebar {
 			.el-treenodes {
 				height: calc(100vh - 64px - 64px);
 				margin: 0px;
diff --git a/static/js/app.mjs b/static/js/app.mjs
index b444140..2b5cbe1 100644
--- a/static/js/app.mjs
+++ b/static/js/app.mjs
@@ -1,12 +1,12 @@
 import { ROOT_NODE } from 'node_store'
 import { CustomHTMLElement } from './lib/custom_html_element.mjs'
-import { N2Tree } from 'tree'
+import { N2Sidebar } from 'sidebar'
 import { Node } from 'node'
 
 export class App {
 	constructor() {// {{{
 		this.currentNode = null
-		this.tree = new N2Tree()
+		this.sidebar = new N2Sidebar() // XXX - rename this.tree
 		this.crumbs = new N2Crumbs()
 		this.crumbsElement = document.getElementById('crumbs')
 		this.nodeUI = document.getElementById('note')
@@ -22,7 +22,7 @@ export class App {
 				this.goToNode(startNode.UUID, false, false)
 			})
 
-			document.getElementById('tree').append(await this.tree.render())
+			document.getElementById('tree').append(await this.sidebar.render())
 			document.getElementById('tree-nodes')?.focus()
 
 			if (startNode.UUID == ROOT_NODE)
@@ -85,7 +85,7 @@ export class App {
 				if (document.activeElement.id === 'tree-nodes') {
 					this.nodeUI.takeFocus()
 				} else {
-					this.tree.focus()
+					this.sidebar.focus()
 				}
 				break
 
@@ -184,7 +184,7 @@ export class App {
 		node.reset() // any modifications are discarded.
 
 		this.currentNode = node
-		this.tree.setSelected(node, dontExpand)
+		this.sidebar.setSelected(node, dontExpand)
 
 		const ancestors = await nodeStore.getNodeAncestry(node)
 		_mbus.dispatch('CRUMBS_SET', ancestors, () => this.crumbsElement.replaceChildren(this.crumbs.render()))
@@ -193,7 +193,7 @@ export class App {
 		_mbus.dispatch('TREE_EXPANSION', { expand: false, when: 'narrow' })
 
 		// Scrolls node into view.
-		this.tree.makeVisible(node)
+		this.sidebar.makeVisible(node)
 	}//}}}
 }
 
diff --git a/static/js/tree.mjs b/static/js/sidebar.mjs
similarity index 94%
rename from static/js/tree.mjs
rename to static/js/sidebar.mjs
index 6443455..c0ef99e 100644
--- a/static/js/tree.mjs
+++ b/static/js/sidebar.mjs
@@ -59,12 +59,12 @@ class TreeExpansionHandler {// {{{
 	}
 }// }}}
 
-export class N2Tree extends CustomHTMLElement {
+export class N2Sidebar extends CustomHTMLElement {
 	static {// {{{
 		this.tmpl = document.createElement('template')
 		this.tmpl.innerHTML = `
 			<style>
-				n2-tree {
+				n2-sidebar {
 					#logo {
 						display: grid;
 						grid-template-columns: 1fr min-content;
@@ -464,14 +464,14 @@ export class N2Tree extends CustomHTMLElement {
 		treenode?.scrollIntoView({ block: 'nearest' })
 	}// }}}
 }
-customElements.define('n2-tree', N2Tree)
+customElements.define('n2-sidebar', N2Sidebar)
 
 export class N2TreeNode extends CustomHTMLElement {
 	static {// {{{
 		this.tmpl = document.createElement('template')
 		this.tmpl.innerHTML = `
 			<style>
-				n2-tree:focus-within {
+				n2-sidebar:focus-within {
 					.el-name {
 						&.selected {
 							span {
@@ -503,18 +503,18 @@ export class N2TreeNode extends CustomHTMLElement {
 		`
 	}// }}}
 
-	constructor(tree, node, parent) {//{{{
+	constructor(sidebar, node, parent) {//{{{
 		super()
 		this.classList.add('node')
 
-		this.tree = tree
+		this.sidebar = sidebar
 		this.node = node
 		this.parent = parent
 
 		this.children_populated = false
 		this.rendered = false
 
-		this.elExpandToggle.addEventListener('click', () => this.tree.setNodeExpanded(this.node, !this.tree.getNodeExpanded(this.node.UUID)))
+		this.elExpandToggle.addEventListener('click', () => this.sidebar.setNodeExpanded(this.node, !this.sidebar.getNodeExpanded(this.node.UUID)))
 		this.elName.addEventListener('click', () => _mbus.dispatch('TREE_NODE_SELECTED', this.node))
 
 		_mbus.subscribe(`NODE_CHILDREN_FETCHED_${node.UUID}`, () => {
@@ -525,7 +525,7 @@ export class N2TreeNode extends CustomHTMLElement {
 			this.render(true)
 		})
 
-		if (this.node.Level === 0 || this.tree.getNodeExpanded(this.node.UUID))
+		if (this.node.Level === 0 || this.sidebar.getNodeExpanded(this.node.UUID))
 			this.fetchChildren()
 	}// }}}
 	async fetchChildren() {//{{{
@@ -537,16 +537,16 @@ export class N2TreeNode extends CustomHTMLElement {
 			return this
 
 		// Fetch the next level of children if the parent tree node is expanded and our children thus will be visible.
-		const expanded = this.node.hasChildren() && this.tree.getNodeExpanded(this.node.UUID)
+		const expanded = this.node.hasChildren() && this.sidebar.getNodeExpanded(this.node.UUID)
 
-		if (!this.children_populated && this.tree.getNodeExpanded(this.parent?.node.UUID)) {
+		if (!this.children_populated && this.sidebar.getNodeExpanded(this.parent?.node.UUID)) {
 			this.node.fetchChildren().then(() => this.children_populated = true)
 		}
 
 		// Update the name and selected status
 		this.elName.querySelector('span').innerText = this.node.get('Name')
 
-		if (this.tree.isSelected(this.node))
+		if (this.sidebar.isSelected(this.node))
 			this.elName.classList.add('selected')
 		else
 			this.elName.classList.remove('selected')
@@ -565,7 +565,7 @@ export class N2TreeNode extends CustomHTMLElement {
 			this.setImgSrc(this.elExpand, `/images/${window._VERSION}/icon_home.svg`)
 		else if (!this.node.hasChildren())
 			this.setImgSrc(this.elExpand, `/images/${window._VERSION}/leaf.svg`)
-		else if (this.tree.getNodeExpanded(this.node.UUID))
+		else if (this.sidebar.getNodeExpanded(this.node.UUID))
 			this.setImgSrc(this.elExpand, `/images/${window._VERSION}/expanded.svg`)
 		else
 			this.setImgSrc(this.elExpand, `/images/${window._VERSION}/collapsed.svg`)
@@ -575,10 +575,10 @@ export class N2TreeNode extends CustomHTMLElement {
 		let children = []
 		if (expanded)
 			children = this.node.Children.map(node => {
-				let treenode = this.tree.treeNodeComponents[node.UUID]
+				let treenode = this.sidebar.treeNodeComponents[node.UUID]
 				if (treenode === undefined) {
-					treenode = new N2TreeNode(this.tree, node, this)
-					this.tree.treeNodeComponents[node.UUID] = treenode
+					treenode = new N2TreeNode(this.sidebar, node, this)
+					this.sidebar.treeNodeComponents[node.UUID] = treenode
 					_mbus.dispatch(`NODE_COMPONENT_EXIST_${node.UUID}`)
 				}
 				return treenode
diff --git a/views/layouts/main.gotmpl b/views/layouts/main.gotmpl
index ead95a9..c5fbead 100644
--- a/views/layouts/main.gotmpl
+++ b/views/layouts/main.gotmpl
@@ -15,7 +15,7 @@
 				"crypto":     "/js/{{ .VERSION }}/crypto.mjs",
 				"node_store": "/js/{{ .VERSION }}/node_store.mjs",
 				"node":       "/js/{{ .VERSION }}/page_node.mjs",
-				"tree":       "/js/{{ .VERSION }}/tree.mjs"
+				"sidebar":    "/js/{{ .VERSION }}/sidebar.mjs"
 			}
 		}
 		</script>