This document outlines the key differences between pidgins and creoles. It begins with definitions, noting that pidgins are simplified languages used for communication between groups that don't share a common language, while creoles have developed from pidgins into stable first languages. It then covers the origins and theories of development of pidgins and creoles, followed by their distinguishing characteristics and stages of development. Pidgins are described as unstable, socially limited languages, whereas creoles have expanded vocabularies and more complex grammars as stable first languages.