n., The name of a person written in his own hand. Also known as an autograph. [Archives] 
n., The name or special mark of a person written on a document. The signature may be handwritten by the person in his/her own
 hand or typed, or may be affixed by an office authorized to do so. [Archives] 
n., Persons' names written in their own hand. [Arts] 
n., A ‘sign’ placed at the opening of a comp. or of a section of a comp., indicating the key (key signature) or the value of the beat and
 the no. of beats in eac