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 moving from one thing to another.
A sequence obtained by adding or multiplying each term by a constant.
chord progression
The act of moving forward or proceeding in a course; motion onward.
Development, increase, evolution.
The making an exercise more exerting by manipulating the details of its performance like loaded weight, range of motion, angle, speed.