Interval between two events or two periods of time of different character

A. Intermission

B. Interlude

C. Interpolation

D. Appendix

Answer: Option B

Solution(By Examveda Team)

One word substitute is Interlude.

Intermission: a pause or break.
Interlude: an intervening period of time; an interval.
Interpolation: the insertion of something of a different nature into something else.
Appendix: a section or table of subsidiary matter at the end of a book or document.