With the iPhone 16e, Apple has officially eliminated the Home button from its entire product lineup. However, the iconic button still matters.

Now, instead of tapping the home button to go, you know, home, it instead brings up a new version of something Microsoft calls the Guide, a one-stop shop for all kinds of apps, features and menus.

What does home button actually mean? Find out inside PCMag's comprehensive tech and computer-related encyclopedia.