-An external signature placeholder: a place for the recipient to insert their eSignature, you can name this placeholder if you need multiple people to sign this document (Recipient will have to share their password with additional people)

-An internal signature placeholder: a place where your own or manager's signature will be captured by default. You could have your company manager sign there for example.

-A text field: a text area where recipients can add their name for example

-A date field: a text area where recipients can add a specific date for example. 

-A checkbox: a tick box if you want to capture consent

-A merge field: a form field or a dynamic field available in your applications.

Eg. {CONTACT_FULLNAME}. Learn more about Merge fields.