Tab

In Wikipedia, colons (:) are used to tab.

Tab or tabs may refer to:

Tabulation: computing evolved from a mechanical basis using cards gradually between the 1940s and 1990s to a completely electronic basis. The card based systems and components such as sorters and card readers and punches were called "Tab".
The tab key, on a computer keyboard, automates indenting text to a preset position. The tab key is commonly used for indentation in word processors and other software.
Tab (archery), the small piece of protective covering to protect the fingers when practicing
Tab (debating), the table of the results of a debating competition
Tab (soft drink), a beverage produced by the Coca-Cola company
Tab (album), by Monster Magnet
Tabs (stage), in theatre, the term for the curtain at the front of the stage
Tablature, a form of musical notation used particularly for guitars and other fretted instruments
Tâb, a board game played in Egypt and elsewhere
Chicago tab, in organizing, a protruding piece of a planar surface that provides an index mark.
Tab Ramos, an American soccer player
Tab Hunter, an American actor and musician
TABS, Thermal Activated Building System.

In software

Tab (GUI), a visual marker in a computer application, similar to Chicago tabs (above)
Tabbed document interface ("tabbed browsing"), in a web browser, tabs divide open pages displayed in a single window
Tabs (software), a 3D CAD tool, originally for Acorn Archimedes computers

"Tab", abbreviation of tabloid, a small newspaper format
Tab, a comic strip format
Tab Communications, a former newspaper publisher in Massachusetts, or one of its papers

Bill (payment), informally
In British English, a colloquialism for cigarette
In British Military English, a colloquialism for a forced march, from Tactical Advance to Battle
In East Midlands English, a slang term for ear
"Tabs", abbreviation for "tablets", slang for the drug MDMA, or Ecstasy
In British English, a term referring to Cambridge University students, used primordially by members of Oxford University