GEO glossary

Primary Source

Primary Source is original evidence such as official product documentation, direct research, or firsthand reporting.

Why this matters for GEO

Publish precise original facts where they can be checked.

Related terms

• Source Diversity
• Secondary Source
• Source Selection
• Third-Party Mention
• AI Citation
• Citation Frequency

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• Source Diversity
• Secondary Source

All 150 GEO and AI visibility terms

Updated November 2026.