单击（click，或称点击、键击与点击）是一个电脑词汇，它代表使用鼠标或者其他人机交流设备控制计算机屏幕上的光标（鼠标指针）指向某一目标并短暂的按一下按键以代表选定它的动作。

• 超链接
• 双击

Point and click are the actions of a computer user moving a pointer to a certain location on a screen (pointing) and then pressing a button on a mouse, usually the left button (click), or other pointing device. An example of point and click is in hypermedia, where users click on hyperlinks to navigate from document to document.