Direct answer
What is JSON?
- Short definition
-
JSON (JavaScript Object Notation) is a lightweight data format used for transmitting data between servers and web/mobile applications.
- Why it matters
- JSON is the universal language of web and mobile APIs—understanding it is essential for anyone working with modern applications.
How teams use JSON
Use this term when you need to describe the practical role it plays in a software project.
Common use cases
- API request and response payloads
- Configuration files
- Data storage and caching
- Real-time data streaming
Examples of JSON
These examples show the term in everyday product, platform, or operations work.
Real-world examples
- API returning {"name": "John", "email": "[email protected]"}
- Vue component receiving product data as JSON props
- Redis storing JSON-serialized session data