There are three ways to color select in Photoshop: by using the eyedropper, by using the keyboard shortcut Cmd+I, or by using the color wheel.
To highlight a specific area in Photoshop, use the following steps: 1. Choose the area to be highlighted. 2. Choose the Tools menu and select Highlight. 3. Click on the desired area of the image and then click on the highlighter button.
Ctrl M is a shortcut for Menu: Move, Copy, Cut, Paste.