An An entity is a uniquely identifiable thing or concept, such as an organisation, person, brand, product, place or technical term. Search engines and AI systems process information as entities and their relationships.Open glossary entry → is a uniquely identifiable object or concept. Common types are organisations, people, products, services, places, concepts and events.
The difference from a A keyword is the search term users enter into a search engine to find information, products or providers. Keywords are the basis against which rankings and visibility are measured.Open glossary entry → becomes clear with the example apple: the same word can mean "Apple Inc.", the "apple as a fruit" or "Apple Records". People often grasp the context immediately, while machines need clear signals such as text, links, Schema markup is code that describes a page's content in a structured way, so search engines understand it not just as text but as clearly classified information.Open glossary entry → and external confirmation.
Search engines, AI systems and A knowledge graph represents entities as nodes and their relationships as edges. It helps search engines and AI systems model things and how they connect.Open glossary entry → try to recognise such things and their relationships, for example "RankScan → is a → SaaS tool". The more clearly an entity is defined and supported by attributes, evidence and consistent profiles, the more unambiguously it can be classified.
Authors are entities too: for expert content, clearly described people strengthen credibility.