A content strategy where a brand establishes itself as the definitive source on a specific subject by creating interconnected, comprehensive content that covers all angles of a topic. This involves publishing pillar content (broad overviews) linked to cluster content (detailed subtopics), signaling to search engines and audiences that your brand has deep expertise in that domain. Building topical authority improves organic search rankings, increases qualified traffic, and positions your company as a go-to resource within your industry.