The signature is a stylized form of writing: it shows how you want the world to percieve you. As always in graphology, the rules of common-sense apply. Ask the writer to produce their typical signature that they would use to sign a cheque.Use that for your analysis.he signature is a stylized form of writing: it shows how you want the world to percieve you. As always in graphology, the rules of common-sense apply. Ask the writer to produce their typical signature that they would use to sign a cheque.