TABS

noun

1. A small flap or strip of material attached to something, for holding, manipulation, identification, opening etc.
2. An ear.
3. (by extension) A navigational widget, resembling a physical tab, for switching between documents or sets of controls.

verb

1. To affix with tabs; to label.

noun

1. A restaurant bill.
2. Credit account, e.g., in a shop or bar; slate
3. A space character that extends to the next aligned column, traditionally used for tabulation.