Copyright Licensing: A Brief Explanation
When a film is produced, a studio or distributor acquires copyright ownership which enables them to make it available for audiences to view through a number of channels including:

NON-THEATRICAL VIEWING
i.e: watching films and TV shows outside the Cinema or an individual's home

HOME ENTERTAINMENT
i.e: watching films and TV shows in an individual's home

THEATRICAL VIEWING
i.e: watching films in Cinemas