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| This glossary includes common Obsidian terminology. | |
| ## Alias | |
| An **alias** is a type of [[#property]] that defines alternative names for a [[#note]]. | |
| ## Attachment | |
| An **attachment** is an [[Accepted file formats|accepted file format]] that was created outside of the vault and added later. | |
| ## Command | |
| A **command** is an action that can be performed either by selecting it from the [[Command palette]] or by assigning it to a [[#hotkey]]. | |
| ## Embed | |
| **Embedding** means replacing a reference to external content with the content itself, for example to include an image in your note. See also [[Embed files]]. | |
| ## Frontmatter | |
| Frontmatter is a way to define [[#property|properties]] by adding [YAML](https://yaml.org/) or [JSON](https://www.json.org/) at the top of the note. See also [[Properties#Property format|Property format]]. | |
| ## Graph | |
| A **graph** is a visualization that highlights connections between [[#note|notes]]. See also [[Graph view]]. | |
| ## Hotkey | |
| A **hotkey** is a keyboard shortcut for a [[#command]]. See also [[Hotkeys]] and [[Hotkeys|How to/Use hotkeys]]. | |
| ## Link | |
| A **link** references another note or file. An [[Internal links|internal link]] points to a file located in the current vault. An [[Basic formatting syntax#External links|external link]] points to a location outside the vault, typically a web page. | |
| ## Main area | |
| The **main area** is the central area of the Obsidian app, where you primarily edit [[#note|notes]]. | |
| ## Markdown | |
| Markdown is a markup language for formatting text and the primary file format used for notes in Obsidian, `.md` files. See also [[Basic formatting syntax]]. | |
| ## Note | |
| A **note** is a Markdown file inside a [[#vault]]. | |
| ## Plugin | |
| A **plugin** extends Obsidian with additional features. | |
| - [[Core plugins]] are written by the Obsidian team and included by default. | |
| - [[Community plugins]] are written by third-party plugin developers and need to be [[Community plugins#Install a community plugin|installed]] before you can use them. | |
| You can [build your own plugin](https://docs.obsidian.md/Plugins/Getting+started/Build+a+plugin). | |
| ## Pop-out window | |
| By default, all notes within a vault opens in the same app window. A **pop-out window** lets you open notes from the same vault in separate windows, for example to display on a second screen. | |
| See also [[Pop-out windows]]. | |
| ## Property | |
| [[Properties|Properties]] define additional information about a note, such as a due date or author. | |
| ## Ribbon | |
| The **ribbon** functions as a container for frequently used action icons. | |
| In the desktop version, it's the vertical area situated on the far left. | |
| In the mobile version, it's represented by a menu button ( ![[lucide-menu.svg#icon]] ) on the [[#status bar|status bar]]. | |
| ## Sidebar | |
| An area that contains supporting [[#view|views]] organized as [[#tab|tabs]]. A sidebar can be split into multiple [[#tab group|tab groups]]. | |
| Obsidian desktop has two sidebars, one on each side of the [[#main area]]. Both sidebars can be accessed by icons in the upper-left and upper-right corners in the Obsidian app, in addition to swiping left or right. The upper-right icon must be held to open the window. | |
| ## Snippet | |
| A **snippet**, or [[CSS snippets|CSS snippet]], changes the appearance of Obsidian, just like a [[#theme]]. Unlike themes, you can apply multiple snippets at the same time. | |
| ## Status bar | |
| The **status bar** in the Obsidian application shows you essential statistics and statuses. In the desktop version, you'll find it in the bottom-right corner, while on mobile devices, it's positioned along the bottom of the app. | |
| ## Tab | |
| A **tab** contains a [[#view]]. Tabs can be repositioned within the [[#main area]] and the [[#sidebar|sidebars]]. See also [[Tabs]]. | |
| ## Tab group | |
| A **tab group** is a collection of [[#tab|tabs]] in the [[#main area]]. Tabs in a tab group can be stacked. | |
| ## Tag | |
| A **tag** is a word that starts with a hash (`#`), for example `#book`. Tags are primarily used to find related [[#note|notes]]. | |
| ## Theme | |
| A **theme** changes the appearance of the Obsidian app using [CSS](https://developer.mozilla.org/en-US/docs/Web/CSS). You can override parts of a theme using [[#snippet|snippets]]. | |
| ## Vault | |
| A **vault** is a folder on your file system which contains [[#note|notes]] and an `.obsidian` folder with Obsidian-specific configuration. See also [[How Obsidian stores data]]. | |
| ## View | |
| A **view** displays information, for example the [[Search|Search view]]. | |