Pace
Part of speech: preposition
Definition: With all due respect to.
Part of speech: noun
Definition: A step taken with the foot. An English Customary Unit of distance measuring approximately five feet. Speed or velocity. A measure of the hardness of a pitch and of the tendency of a cricket ball to maintain its speed after bouncing. For ground forces, the speed of a column or element regulated to maintain a prescribed average speed. A 2-beat, lateral gait of a horse. The collective noun for donkeys. Easter.
Part of speech: verb
Definition: Walk to and fro in a small space. Set the speed in a race. Measure by walking.
Part of speech: adjective
Definition: Describing a bowler who bowls fast balls.
Example sentence: The pace of discovery is going unbelievably fast.
Tempo
Part of speech: noun
Definition: a frequency or ratea move which is part of one's own plan or strategy and forces, e.g. by means of a check or attacking a piece, the opponent to make a move which is not bad but of no use for him.The number of beats per minute in a piece of music; also, an indicative term denoting approximate rate of speed in written music (examples: allegro, andante)
Example sentence: I have to think in terms of musical tempo. Let's say someone comes into a room and slowly sits down or someone rushes into the room and rushes to sit down. That's how to work out the tempo of the music you produce.