Lingua-e
← Glossary

What does "protocol" mean in programming?

protocol is one of the most common terms in software development. This guide explains what it means, how it is used in practice, and why it matters, with real examples from the developer world.

Definition

A set of rules that define how data is transmitted and received between systems over a network. Common protocols include HTTP, HTTPS, WebSocket, and TCP/IP.

Example

"The API uses the HTTPS protocol to encrypt data in transit."

Can you put this sentence in the right order?

Tap the words to place them here

Keep building your technical English

You just looked up what this word means. Lingua-e turns vocabulary like this into full practice: fill-in-the-blanks, listening, and real developer conversations.

Practice this for free

Related terms

Was this page helpful?