Final answer:
The area on your hard disk that stores deleted files until permanent removal is known as the Recycle Bin in Windows or Trash in macOS. These files can often be restored unless the bin or trash is emptied.
Step-by-step explanation:
The area on your hard disk that holds deleted files until you remove them permanently is called the Recycle Bin on Windows or Trash on macOS. When you delete a file, the operating system marks the space occupied by the file as available for new data but does not immediately remove the file's data from the disk. You can often restore files from the Recycle Bin or Trash unless you empty it, which then signals the system that the space can be used to store new files, making recovery more difficult.