Hello, lets begin with the User Interface (UI) of Adobe Photoshop CS3.
When you open Adobe Photoshop CS3, you will see a window that will look like this :
This is the labeled view of the UI.
1. Menu Bar - Contains the different menu tabs.
2. Tool Bar - Contains all the tools used in Photoshop.
3. Work Area - Contains the Canvas in which the work is done.
4. Docking Pallet - Contains the different palletes used while working in Photoshop.