Once upon a time not too long ago, document signage involved downloading the document, printing it off, picking up a pen with either black or blue ink and signing off at the appropriate places, scanning the document once signed, uploading it, attaching the paperwork to an email, and then finally sending off that email back in reply with your signature.

FORBES: Signed, Sealed, Delivered: How HelloSign Is Changing Electronic Document Signatures

The printing is done in stages: black outlines first, then pink for some cherry blossoms, and blue for the Hozu River running past.

BBC: The art of Japan