Entities make up the core content of an entire game project in Amazon Lumberyard, but components are arguably the most important thing you need to know about when creating a game – as they are what make entities come to life. Entities in Amazon Lumberyard are merely identifiers that link to a collection of components. Entities have no functionality associated with them on their own – their functionality comes from the components added to them.
Components in Lumberyard will each provide independent functionality for things like artificial intelligence, gameplay, ...