tracked / tract are similar-sounding terms with different meanings (referred to as homophones). To better understand the differences, see below for definitions, pronunciation guides, and example sentences using each term. 👇
tracked: (verb) carry on the feet and deposit. (verb) observe or plot the moving path of something. (verb) make tracks upon. (adjective) having tracks.
tract: (noun) an extended area of land. (noun) a system of body parts that together serve some particular purpose. (noun) a brief treatise on a subject of interest; published in the form of a booklet.
tracked: t·r·AE·k·t
tract: t·r·AE·k·t
(Examples are Wikipedia snippets under the CC ShareAlike 3.0 license. Definitions drawn from WordNet.)