See Bluetooth tracker
, vehicle tracking
and child tracking
The recording of an event. See tracking cookie
and email tracker
Synchronizing a reading or writing mechanism with a rotating platter. For example, a stylus must maintain a smooth contact with the groove in a vinyl phonograph record. A laser must align itself precisely to the tracks of a CD.
In desktop publishing, the consistent letterspacing of text. Tracking is used to expand or contract the amount of text on a page by expanding or reducing the amount of space between letters. It differs from kerning in that it is applied to an entire font or to a range of text, whereas kerning refers to certain letter pairs.