Topic Cluster
noun

Definition:
An SEO content strategy that organizes multiple related pieces of content (cluster pages) around a single comprehensive page (pillar page). This structure enhances topical authority and internal linking while improving semantic relevance.

Usage:
“They used a topic cluster approach for the ‘home automation’ niche, linking out from the main guide to subtopics like smart locks and thermostats.”

Compare:
pillar page, silo structure, content hub