(eXit button) Also called a "close" or "exit" button, clicking or tapping the X removes the current window, dialog box or popup message from the screen. It is also used to delete text and graphics.

The new Asus handheld will have Xbox branding, and Windows Central mentioned that such a handheld could even include a built-in “X” button, which you would find on the Series X console.

Apple’s highly anticipated and long-awaited iPhone X is finally out. The phone doesn't have a Home button, so there are all new controls to learn if you want to do things like take screenshots ...