What is the meaning of click?

Click has many meanings depending on whether you use it as a noun or verb. As a noun, a click is a short, sharp, light sound, like the click of a pen, the click of a mouse, or the click of a lock closing. As a verb in technology, to click means to press a button on a computer mouse or tap on a touchscreen to select something, as in click here. Figuratively, to click means to suddenly understand, as in it finally clicked, or for two people to instantly bond and have chemistry, as in we clicked right away. In photography slang, a click means a photograph, as in nice click. In military slang, a click or klick means one kilometer. In business, to click means to become successful or popular, as in the idea clicked. In construction, a floating click is not relevant, but a click can mean a unit of measurement. The core idea behind all meanings is a brief, precise moment of connection, whether it is a sound made when two things meet, a selection made on a computer, or a mental connection when an idea falls into place. It is one of the most versatile words in modern English.