filemarker
nounUK /ˈfaɪlˌmɑːkə/
US /ˈfaɪlˌmɑːrkər/
A filemarker is a small thing that shows where a file or place is.
She put a filemarker on the page so she could find it again.
OTHER MEANINGS
2. A software feature that records a position inside a file for quick return.
The editor's filemarker let him jump back to line 200.
3. A physical tab or slip used to separate and identify files in a cabinet.
He added a filemarker to each folder in the drawer.
4. A person or tool that marks files for sorting or review.
The filemarker tagged every document before the audit.