The primary key is always the id in any form, it may be uuid and etc.
So the primary key is the MOVIE_ID.
As you understand the entire thing is what you would quite often see in any relational databases like PostgreSQL. It's a table.
The fields are columns and any row is your entry or record in other words.
I will give you an example from the project I am working on, the screenshot shows a table for a user, you can consider it somewhat production style.
