The Palettes are located under the Window menu. They include:
* Navigator
* Info
* Color
* Swatches
* Styles
* Layer
* Channels
* Paths
* History
* Actions
* Character
* Paragraph
The default layout that is displayed when you first open Photoshop displays 10 out of the 12 available palettes in three floating windows (shown below). Each one has its own tab:
You can arrange and reposition the available palettes either individually or in groups. The floating palette system incorporated into Photoshop lets you drag each palette away from the existing cluster to create a separate window for that palette. The reverse is also true; you can cluster individual palette tabs into groups of your preference.
Credit to Dr. Mary Nicholson