What is the main function of Cursor?

The main function of the cursor is to control, locate, and manipulate the pointer of text, graphics, or other visible objects on a computer. It allows for user interaction through actions like moving, clicking, and dragging, and displays the current position on the screen. The cursor can also be used for selecting, editing, and copying and pasting text, images, and more. Additionally, the cursor can change its appearance, such as shape or color, to adapt to different applications and user needs.