The video tutorial explains how to enhance a React application using higher order components to manage session data. It covers creating an active session component that queries user data from GraphQL and integrates it into the profile component. The tutorial also addresses handling empty session objects and updating navigation based on session state. Key concepts include session management, React Apollo, and enhancing components with additional data.

What is the significance of the refresh attribute in the context of the active session?

What steps are involved in setting up the Apollo client to work with the session token?

In what way does the navigation component change based on the user's session state?

How can the application ensure that the profile component is rendered correctly after login?