On a computer screen, the cursor is a small shape that indicates where anything that is typed by the user will appear.
英汉词典释义
n.
光标
You can move the cursor by using the mouse.你可以使用鼠标器来移动光标。
英英词典释义
Noun
1. (computer science) indicator consisting of a movable spot of light (an icon) on a visual display; moving the cursor allows the user to point to commands or screen positions