鼠標是一個可以用手在桌面上推動的小東西，通過它可以在屏幕上移動光標或者選中菜單上的某項功能。
The mouse is a small, handheld object that is pushed around a desktop to move the cursor on the screen or to select choices from menus displayed on the screen.
提供位置座標的一種輸入設備。例如鼠標器、圖形輸入板。
An input device that provides coordinates of a position.Example: A mouse, a tablet.
用鼠標器（或其它選圖設備）檢取顯示在屏幕上需要的信息，以供計算機做下一步的處理。
Identification of information displayed on a screen for subsequent computer processing, by pointing to it with a mouse.
