The manner in which two things may be associated.
The relation between diet and health is complex.
A member of one's family.
Yes, he's a relation of mine, but only a distant one.
The act of relating a story.
Your relation of the events is different from mine.
A set of ordered tuples.
Specifically, a set of ordered pairs.
Equality is a symmetric relation, while divisibility is not.
A set of ordered tuples retrievable by a relational database; a table.
This relation uses the customer's social security number as a key.
A statement of equality of two products of generators, used in the presentation of a group.
A subobject of a product of objects.
(usually collocated: sexual relation) The act of intercourse.