desktop
n. countablen. the main screen area you see on a computer after you log in. It is also a type of computer that stays on a desk rather than being portable like a laptop.
n. the primary display area of a graphical user interface, designed to represent a desk surface where documents and applications are placed. Also refers to a non-portable personal computer designed for regular use at a fixed location.
I keep my most important files on my desktop for quick access.
After the update, several new icons appeared on my desktop and the background image changed.
While mobile devices are sufficient for casual browsing, professional video editors often require the superior processing power and thermal management of a high-end desktop.
From desk + top.
Often used as an attributive noun to modify other nouns, such as 'desktop computer' or 'desktop publishing'.