A good movie poster is symbolic to the movie. It should be appealing, The posters considered are the default ones on IMDB. 

A movie that did not receive much marketing but is still a hidden gem of film.

The movie that received really great direction.

Whether it is a children's movie or an adult animation. The animation style plays a role into the films consideration.

The actor/actress that gave the best performance of the year. 

The movie that had impressive dialogue, character connections, and character development. 

The best overall motion picture of the year. 

The voice actor/actress that gave the best voice performance of the year, whether its altering their voice or just a pure amount of passion put into it. 

The film that had the most impressive box office opening weekend. 

The best score of a movie. If a movie has multilple scores, they are all taken into cinsdieration. 

The single best cinematic shot of the year. 

The actor/actress that stared or co-stared in the most amount of films that year and excelled in those performances.