collapsing
verb
Definitions
To break apart and fall down suddenly; to cave in.
To cease to function due to a sudden breakdown; to fail suddenly and completely.
Example: Pyramid schemes tend to generate profits for a while and then collapse.
To fold compactly.
To hide additional directory (folder) levels below the selected directory (folder) levels. When a folder contains no additional folders, a minus sign (-) appears next to the folder.