Summary
SEO entities are essential for Google to interpret search queries. A query with 'Leonardo DiCaprio, Joseph Gordon-Levitt, Tom Hardy' returns 'Inception' results without mentioning the movie. To compete, sites like IMDB should include these entities in their content. Google links these entities to the core topic, making content optimization for related topics crucial. When these entities are used together, Google understands users are seeking 'Inception' information.