A period of time.
A connected section of the real line which may be empty or have a length of zero.
An intermission.
half time, a scheduled intermission between the periods of play
The difference (a ratio or logarithmic measure) in pitch between two notes, often referring to those two pitches themselves (otherwise known as a dyad).
Either of the two breaks, at lunch and tea, between the three sessions of a day's play
A distance in space.
A time by which something must be finished.
A duration beyond which something may not exceed.