The Windows location that stores cut or copied information is called the Clipboard.

Quick Scoop

When you press commands like Ctrl+C (copy) or Ctrl+X (cut), Windows temporarily holds that text, image, or file in the Clipboard so you can paste it later with Ctrl+V. In modern Windows versions, you can even see a history of what you’ve copied by pressing Windows key + V , which opens the Clipboard history interface.

In everyday terms, think of the Clipboard as an invisible notepad where Windows keeps the last thing (or several things, if history is on) you copied so you can reuse it wherever you like.

TL;DR: The name you’re looking for is: Clipboard.

Information gathered from public forums or data available on the internet and portrayed here.