noun / verb
tab
TAB/tæb/
A small projecting marker or flap.
Colored tabs project from the binder's pages to mark each section.

Etymology
The early meaning was a small strip fastened at one edge for pulling or hanging, matching the physical flap sense. Its origin remains uncertain.
In context
we're just going to open a new uh tab to the notifications page on the server.
More examples
- Pull the tab to peel off the protective film.
- She tabs important pages so she can find them quickly.
- Write each subject on a separate tab.
Forms
tab · tabs · tabbed · tabbing