Toolbar

 Toolbar

The Toolbar is a vertical panel on the left side of the screen, containing various tools used for editing and creating images. Photoshop has a tools bar that makes all the work easier as you don't need to navigate through the menu bar to find the tools that you need on a regular basis to move, select, crop, paint, etc. You can easily edit the tools bar view from Edit > Preferences from where you can add or remove the tools to/from the tools bar.  Once you've chosen a tool, you can use it with your current file. The tools panel provides quick access to a variety of tools for selecting, painting, retouching, and manipulating images. Each tool has its own specific icon and functionality.

Some of the commonly used tools include the;

 Move Tool, 

Marquee Tools, 

Lasso Tools, 

Brush Tool, 

and many more. 

Here is a list of all tools in Photoshop