In the booklet, “taking an acknowledgment” includes:

AI Explanation

The glossary includes both the signer’s declaration and the notary’s identification role. Under “Taking an Acknowledgment,” the booklet says the act includes the person telling the notary he is the named person and acknowledging execution, and also includes the notary’s obtaining satisfactory evidence of the person’s identity. For contrast, an affidavit involves administration of an oath, which is a different notarial function.