| SignatureColorOptions | Holds the 3 signature color options available when using the Electronic Signatures "Draw" or "Type" signing UI. |
| SignatureCertificateSelectionMode | Defines if certificate management/selection should be allowed for digitally signing a document. |
| SignatureCreationMode | The possible ways in which the user can input their signature. |
| SignatureSavingStrategy | Strategy for saving signatures in the signature dialog. |