a pair of parallel rails providing a runway for wheels
"The engineer slowed down as they approached the broken track to avoid derailing the train."
a course over which races are run
"The crowd cheered as the horses burst onto the track to begin the race."
an endless metal belt on which tracked vehicles move over the ground
"The bulldozer's heavy track churned through the mud as it pushed aside the fallen logs."
(computer science) one of the circular magnetic paths on a magnetic disk that serve as a guide for writing and reading data
"The technician had to realign the read/write head because it was drifting off its designated track on the hard drive."
a groove on a phonograph recording
"He carefully cleaned the needle to avoid skipping over the deep grooves in the vinyl record."
any road or path affording passage especially a rough one
"The hikers struggled to find our way home after getting lost on a narrow, muddy track that wound through the dense forest."
A mark left by something that has passed along.
"The muddy ground was covered in deep tracks from the heavy rainstorm last night."
In plain English: A track is a fixed path or route that someone follows to get from one place to another.
"She lost her favorite running track during the city renovation."
Usage: As a noun, track refers to a physical trail or path created when someone moves across soft ground like snow or mud. Use this word specifically for the visible marks themselves rather than the act of following them, which is described as tracking.
go after with the intent to catch
"The policeman chased the mugger down the alley"
"the dog chased the rabbit"
travel across or pass over
"The caravan covered almost 100 miles each day"
make tracks upon
"As soon as the storm clouds rolled over, the hikers made tracks upon the muddy trail to reach shelter before dark."
To continue over time.
"As she continued to train, her personal bests began to track upward steadily over the next few years."
To observe the (measured) state of a person or object over time.
"The nurse decided to track his blood pressure every hour during recovery."
In plain English: To track something means to follow its path or movement over time.
"I will track your package to see when it arrives."
The word "track" comes from the Old French term trac, which originally meant a trail left by horses. It likely entered English via a Germanic source, possibly related to words in Old Norse and Middle Dutch that refer to paths or lines.