The phrase "a first click" is correct and usable in written English.
It can be used to refer to the initial action of clicking on something, often in the context of user interaction with a digital interface.
Example: "After a first click on the button, the application will load the necessary data."
Alternatives: "an initial click" or "the first tap".
When you're done reading it, a second click buys the book, charging it to the credit card you have on file with Amazon.
With a second click, it is possible to translate text into many languages, obtain currency or measurement conversions, and retrieve related photos, videos, academic papers, maps, Wikipedia entries and web pages fetched by Google, among other things.All that information, of course, can already be accessed by web users willing to root around, opening a series of new browser windows or tabs.
"When you release it, it makes a second click".
It requires an initial click to bring up the share prompt and comment box, and a second click to share that Page to the G+ feed.
(Previously, when you tapped any part of a Tweet, it would first expand and then a second click was required to get to the website).
Businesses can look through their tweets, find one with great engagement, click once to start an ad campaign promoting that tweet, and a second click to choose their budget and reach for the campaign and launch the ads.
Finally, we used a second click reaction to graft alkyne-terminated poly oligoethylene glycol methacrylate) (POEGMA) bristles to the azide-rich backbone to produce the final protein-bottlebrush hybrid.
A second click on one of the items automatically scrolls the page to the corresponding paragraph and highlights the text.
When participants had finished inspecting the stimuli in the open box a second click closed the box and re-covered the stimuli.
