click
n. countablen. the sound of a short, sharp noise, or the act of pressing a button on a computer mouse. You use it to describe selecting something on a screen.
n. a short, sharp sound; also, the act of depressing a button on a computer input device to trigger an action. Often used metonymically in digital marketing to represent user engagement.
You can open the file with a double click.
The photographer waited for the perfect moment before he finally heard the click of the shutter.
While the initial click on the advertisement is a positive metric, the marketing team is more concerned with the eventual conversion rate of those visitors.
Imitative of the "click" sound; first recorded in the 1500s. Compare Saterland Frisian klikke (“to click”), Middle Dutch clicken (Modern Dutch: klikken (“to click”)), Old High German klecchen (Modern German: klecken, klicken (“to click”)), Danish klikke (“to click”), Swedish klicka (“to click”), Norwegian klikke (“to click”), Norwegian klekke (“to hatch”).
From Middle English clike, from Old French clique (“latch”).
From Middle English cleken, a variant of clechen (“to grab”), perhaps from Old English clēċan, clǣċan, a byform of clyċċan (“to clutch”). More at clutch.
Often used in the phrase 'at the click of a button' to describe something that happens instantly.