Difference between Bill of Exchange and Promissory Note

A bill of exchange is different from a promissory note on the following paragraph:

Promissory Note	Bill of Exchange
promissory note is promise to pay	Bill of exchange is an order to pay
In promissory note there are only two parties the drawer, and the payee involved.	In Bill of exchange there are three parties, the drawer, the drawee, and the payee.
In promissory note there is no necessity of acceptance of Promissory Note	Bill of exchange must be accepted
The maker is primarily liable for promissory note	In Bill of exchange, The drawer is not primarily liable.
promissory note is never drawn in sets	Foreign Bills of exchange are specially drawn in sets.
Protesting is not necessary after dishonour of promissory note	A foreign Bill of exchange must be protested upon dishonor.