Answer:
The term 'relation' has several uses: 1: a person related by blood or marriage; 2: (law) the principle that an act done at a later time is deemed by law to have occurred at an earlier time; 3: an act of narration; 4: an abstraction belonging to or characteristic of two entities or parts together; 5: (usually plural) mutual dealings or connections among persons or groups; 6: the act of sexual procreation between a man and a woman; the man's penis is inserted into the woman's vagina and excited until orgasm and ejaculation occur