tracking

• IPA^(key): /ˈtɹækɪŋ/
• Rhymes: -ækɪŋ

tracking (countable and uncountable, plural trackings)

1. The act or process by which something is tracked.
   • 1963, Abraham C. Keller, The Telling of Tales in Rabelais: Aspects of His Narrative Art:

     In volume, the erudite studies of his language, the trackings of his numerous references to persons, places, and things around him, and the reconstruction of the details of his little-known life have occupied the most attention […]

2. (typography) A consistent adjustment of space between individual letters; letterspacing.
3. (education) The division of pupils into separately taught groups by perceived ability level.

   Synonym: streaming

4. (electricity) The synchronization of two or more signals.
5. (electricity) The formation of conductive paths on the surface of an insulating material due to electrical discharges.

• kerning

tracking

1. present participle and gerund of track

•   tracking on Wikipedia.Wikipedia
•   Letter-spacing on Wikipedia.Wikipedia