The meaning of RELATION is the act of telling or recounting : account. How to use relation in a sentence.

Idiom in relation to something (Definition of relation from the Cambridge Academic Content Dictionary © Cambridge University Press)

1. 'relation' and 'relative' Your relations or relatives are the members of your family. I said that I was a relation of her first husband. I'm going to visit some relatives. The relations between people or groups …

RELATION definition: an existing connection; a significant association between or among things. See examples of relation used in a sentence.

5 days ago · Noun relation (countable and uncountable, plural relations) The manner in which two things may be associated.

[Math.] a property that associates two quantities in a definite order, as equality or inequality. a single- or multiple-valued function. in or with relation to, with reference to; concerning: It's best to plan with …

If you talk about the relation of one thing to another, you are talking about the ways in which they are connected.