difference

"pass" is part of many phrasal verbs.

E.g. To pass on, pass up, pass over, pass under, pass through, pass out.

To pass on can mean

1. to die
2. to transmit information or an infectious illness or a hereditary condition or a tradition
3. to physically hand over eg a written message or a baton in a relay race
4. to proceed from one item in an agenda or list to the next item.

maybe more meanings

Pass on TO is a prepositional verb where an object is expected

Pass on the news to John
Bill passed chickenpox on to his family
Please pass on to the next item on the list

thanks
Thank you for your help!