# Core vocabulary — React

Source: https://www.geekswithgeeks.com/en/react/react-03

> Use Core vocabulary as a clear part of React.

## The essential idea

**Core vocabulary** is a practical part of React. Begin with the problem it solves, then identify the input, transformation, and result. This prevents syntax from becoming disconnected facts.

## See the learning path

This topic is one step between a source idea and a useful, checked outcome.

![A visual learning path for React.](assets/figures/react/react-learning-map.svg) — Figure 2.1 — Keep the whole path visible.

## Common pitfall

Do not learn **Core vocabulary** by copying a finished answer. Reduce it to a small example and use the result to test your explanation.

Quick check

**Quiz:** What is a strong first practice for Core vocabulary?

- [x] Run one focused example.
- [ ] Memorize without testing.
- [ ] Ignore feedback.

*Answer:* Run one focused example.. Focused experiments show cause and effect.