tal mark that has the function of a signature in, is attached to, or is logically associated with a record, and is used by a signatory to take responsibility for, or to give consent to, the content of the record. [Archives] 
n., A digital mark, code, or other symbol that identifies an individual and indicates responsiblity for or consent to the content of the material to which it is affixed. [Archives] 
n., An electronic symbol, sound, or process that is either attached to or logically associated with a doc