Short answers, pulled from the story.
Drama functions as a category or genre of narrative fiction intended to be more serious than humorous in tone. This seriousness often qualifies with additional terms like soap opera, police crime drama, political drama, legal drama, historical drama, domestic drama, teen drama, and comedy drama.
Film professor Ken Dancyger coined the term hypardrama to describe stories that exaggerate characters and situations until they become fable, legend, or fairy tale. His 2017 book The Screenwriters Taxonomy: A Roadmap to Creative Storytelling contends that film genres are fundamentally based upon atmosphere, character, and story rather than broad labels.
The difference between a docudrama and a documentary lies in the use of professionally trained actors to play roles in current events rather than using real people to describe history. Black Mass released in 2015 and Zodiac released in 2007 serve as prime examples of docudramas which are dramatized adaptations of real-life events.
Requiem for a Dream released in 2000 and Oldboy released in 2003 exemplify psychological dramas that focus on characters inner life and psychological problems. Whiplash from 2014 and Anomalisa from 2015 continue this tradition by exploring mental states through intense character studies.
The Godfather released in 1972 and Chinatown released in 1974 illustrate crime dramas that explore themes of truth justice and freedom while containing the fundamental dichotomy of criminal versus lawman. Crime films make the audience jump through a series of mental hoops using verbal gymnastics to keep both the audience and the protagonist on their toes.