a path beaten by feet, or as if by feet; a trail
a roughly made path or road
detectable evidence, e.g. a line of footprints or a wheel rut, that something has passed
a recent or fossil footprint
a specially laid-out course, esp for racing
the parallel rails of a railway
a rail or length of railing along which something, esp a curtain, moves or is pulled
the course along which something moves
the track of a bullet
the projection on the earth's surface of the path along which something, e.g. a missile or an aircraft, has flown
a course of action or line of thought
either of two continuous usu metal belts on which a tracklaying vehicle travels
the width of a wheeled vehicle from wheel to wheel, usu measured from the outside of the rims
any of a series of parallel elongated regions on a magnetic tape on which a recording is made
a more or less independent sequence of recording, e.g. a single movement or song, on a compact disc, record, or cassette
to be taken completely by surprise
to remain aware/no longer be aware of the development or whereabouts of (something or somebody)
informal to leave
not following the correct course; inaccurate or unlikely to succeed
likely/unlikely to achieve something by continuing one's present course of action
following the correct course or taking the correct action to achieve something