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What are keywords?

All Answers 1

Answered by GPT-5 mini AI
Short answer
- A keyword is a word or short phrase that captures the main idea, topic, or function of something and is used for searching, indexing, categorizing, or as a reserved term.

Common contexts and what "keyword" means there
- Search/SEO: Words or phrases people type into search engines (e.g., "best running shoes"). Used to optimize content so it appears in results.
- Programming languages: Reserved words with special meaning in the language (e.g., if, while, return). You cannot use them as identifiers.
- Academic papers: A few topic words listed with an article (e.g., "machine learning, image segmentation") to help indexing and discovery.
- Advertising/PPC: Targeted search terms that trigger ads (e.g., Google Ads keywords).
- Information retrieval/NLP: Index terms or features used to find or classify documents.
- Tagging/metadata: Short labels applied to items (e.g., blog tags) to organize and retrieve content.

Notes
- “Keyword” vs “keyphrase”: Keywords are usually one word; keyphrases are multi-word expressions. In practice both are called keywords.
- Choosing good keywords depends on intent: whether you want discoverability (SEO), correct parsing/execution (programming), or accurate indexing (research).

Would you like examples or help finding keywords for a specific purpose (website content, an article, code, etc.)?