# DockingTab Elements

Learn about the different docking elements in DockingTab.

## Content

Docking elements are items that support the docking functionality. Without docking elements, you cannot build a docking interface.

The following image depicts the major docking elements:

![Labelled elements in DockingTab](https://cdn.mescius.io/document-site-files/images/1086a5ae-7197-4f26-942b-edb381682c69/images/dockingtab-elements.png)

Let's describe each element in detail:

* **Docking Tab**: It is a user interface that holds many tabs and overlaying pages.
* **Docking Tab Page**: It is the tab page, which opens on clicking a tab in the DockingTab control.
* **Page Caption**: It is the caption that appears on the top of each tab page.
* **Tab List**: It is a dropdown showing a list of all tabs. The **Tab List opens** on clicking the arrow-down button.