Final answer:
In a basic HRSD configuration, an electronically signed HR or PDF document captures the signature as a digital signature, which includes encryption and authenticity verification.
Step-by-step explanation:
When using the base HRSD configuration with no integrations, the subject person's electronic signature on an HR document or PDF is saved as a digital signature. A digital signature is an encrypted electronic form of certification that verifies the authenticity of the document and the signer. Unlike a simple picture or scanned image of a signature, a digital signature includes a digital key that is used to verify the signature's authenticity and ensure that the document has not been altered after the signature was placed.