In computing, a cache is a hardware or software component that stores data so that future requests for that data can be served faster; the data stored in a cache might be the result of an earlier computation or a copy of data stored elsewhere.

What does it mean when something has cache?

A cache is a group of things that are hidden, and is pronounced like "cash." Cachet can mean "prestige," "medicine to be swallowed," or "an official seal," and is pronounced "cash-ay." ... Cache means "a group of things that are hidden," and entered English in the 1700s.

What does it mean to clear a cache?

When you use a browser, like Chrome, it saves some information from websites in its cache and cookies. Clearing them fixes certain problems, like loading or formatting issues on sites.