What is the meaning of track?

noun

• A line or route along which something travels or moves.
  • usage: "the hurricane demolished houses in its path"; "the track of an animal"; "the course of the river"
  • synonyms: path, course
• Evidence pointing to a possible solution.
  • usage: "the police are following a promising lead"; "the trail led straight to the perpetrator"
  • synonyms: lead, trail
• A pair of parallel rails providing a runway for wheels.
• A course over which races are run.
  • synonyms: racetrack, racecourse, raceway
• A distinct selection of music from a recording or a compact disc.
  • usage: "he played the first cut on the cd"; "the title track of the album"
  • synonyms: cut
• An endless metal belt on which tracked vehicles move over the ground.
  • synonyms: caterpillar track, caterpillar tread
• Computer science. ( one of the circular magnetic paths on a magnetic disk that serve as a guide for writing and reading data)
  • synonyms: data track
• A groove on a phonograph recording.
• A bar or pair of parallel bars of rolled steel making the railway along which railroad cars or other vehicles can roll.
  • synonyms: rail, rails, runway
• Any road or path affording passage especially a rough one.
  • synonyms: cart track, cartroad
• The act of participating in an athletic competition involving running on a track.
  • synonyms: running

verb

• Carry on the feet and deposit.
  • usage: "track mud into the house"
• Observe or plot the moving path of something.
  • usage: "track a missile"
• Go after with the intent to catch.
  • usage: "The policeman chased the mugger down the alley"; "the dog chased the rabbit"
  • synonyms: chase, chase after, trail, tail, tag, give chase, dog, go after
• Travel across or pass over.
  • usage: "The caravan covered almost 100 miles each day"
  • synonyms: traverse, cover, cross, pass over, get over, get across, cut through, cut across
• Make tracks upon. .