Notion is an all-in-one workspace for note-taking, project management, and team collaboration. It combines features like databases, wikis, Kanban boards, and calendars to help individuals and teams organize their work. Notion’s versatility allows users to create and link pages, set up task lists, document processes, and store information in one place. It’s widely used for project planning, personal productivity, and company knowledge management due to its customizable structure and collaborative features.