Using the Toolbox
The Photoshop toolbox contains the tools used to create and edit images, including tools for selecting areas of the image, moving, cropping, painting, and adding text and objects.
To select a tool, click its button in the toolbox. Tools that perform the same kinds of tasks, like the marquee tools, are grouped together; these are indicated by an arrow in the bottom right corner of the button. Click and hold the button to reveal the flyout menu and select the tool you need: