bscription takes the form of a signature, but this is not always so; for example
telegrams and electronic mail messages present subscriptions which are not signatures. [Archives] 
n., The signature of witnesses to the making of a will or deed. Under the Wills Act 1837 as amended the testator must acknowledge his signature (see acknowledgment) in the presence of two witnesses who must each sign (attest) at the same time in the testator's presence. The signature of each party to a deed must be attested by one