i. bağ, ilişki, ilgi, alaka. There is a relation between smoking and lung cancer. (Sigara içmekle akciğer kanseri arasında bir bağ vardır.)

The act of relating or telling; also, that which is
related; recital; account; narration; narrative; as, the relation of
historical events.

The state of being related or of referring; what is
apprehended as appertaining to a being or quality, by considering it in
its bearing upon something else; relative quality or condition; the
being such and such with regard or respect to some other thing;
connection; as, the relation of experience to knowledge; the relation
of master to servant.

Reference; respect; regard.

Connection by consanguinity or affinity; kinship;
relationship; as, the relation of parents and children.

A person connected by cosanguinity or affinity; a
relative; a kinsman or kinswoman.

The carrying back, and giving effect or operation to, an
act or proceeding frrom some previous date or time, by a sort of
fiction, as if it had happened or begun at that time. In such case the
act is said to take effect by relation.