One's romantic partner, regardless of marital status or gender. / A person with whom one has an important bond of some kind.

A sequence of states representing an encoded message in a communication channel. / Any variation of a quantity or change in an entity over time that conveys information upon detection.

(transitive, intransitive) To indicate; to convey or communicate by a signal. / (transitive) To communicate with (a person or system) by a signal.

Standing above others in rank, importance, or achievement.

(music) An indication of the key of a composition, giving the number of sharps or flats in the corresponding scale.

Signifying something; carrying meaning. / Having a covert or hidden meaning. / Having a noticeable or major effect. / Reasonably large in number or amount.

That which has significance; a sign; a token; a symbol.

(Britain) A time signal transmitted on radio by the BBC every hour and consisting of five short beeps followed by a longer one, with the longer one coinciding with the start of the hour.

A person's name, written by that person, used as identification or to signify approval of accompanying material, such as a legal contract. / An act of signing one's name; an act of producing a signature.

Distinctive, characteristic, indicative of identity.