Collapse describes hiding something or reducing its size so it’s not visible. For example, when you expand a folder, it shows the folder’s contents. To hide the open folder’s contents, you’d collapse the folder.

Expand, Minimize, Resize, Software terms

When hiding a window, you are collapsing a window. However, it’s more appropriate to refer to the process as minimizing the window.

  • How to resize a window.
  • How to move a window.