The timer icon can be used in a variety of ways. It can be used in articles and tutorials about cooking, studying, or any other activity that requires time limitations. There are a variety of icons to choose from.
Timers are often used in study regiments, so this icon would be great in an article that explains effective study habits.
Timers are often used in the process of cooking, so it would be a useful icon to use for recipe websites.
It would also be a great icon to use with in articles about exercise, which often has a time limit.