Here are a few common contexts in which the term "protocol" is used in programming

Communication Protocol

Network Protocol

Application Layer Protocol

Wireless Protocol

Serialization Protocol

API (Application Programming Interface) Protocol

Concurrency Control Protocol

Security Protocol

Streaming Protocol

Understanding and adhering to these protocols is crucial for developers to build interoperable and secure systems.

Each protocol serves a specific purpose and plays a key role in enabling the seamless exchange of information in various areas of computing.