summarise what Astruc meant by the term “Auteur” and give some examples of films cited by the movement as being created by Auteur directors.

An “Auteur” means a film director who influences their films so much that they rank as their author.

Film Studies - Auteur Theory by The Bald Welshman | TpT

An auteur is a filmmaker whose individual style and complete control over all elements of production give a film its personal and unique stamp. Creating meaning that only he can, using the tools of filmmaking, through the lens of his mind and personality.