The act of one who, or that which, backtracks; a retracing of one's steps.
The usage of a runway as a taxiway, especially at private strips and smaller airports.
The act of building all possible solutions to a problem incrementally, abandoning any candidate solution if it cannot lead to a valid solution.
The act of taking a step.
A step, as in a stair.
The sound made by walking, running etc.
The mark or impression left by a foot; a track.
The distance between one foot and the next when walking; a pace.
The indications or waypoints of a course or direction taken.