Genres and Topics
Dogme 95 was an avant-garde filmmaking movement started in 1995 by the Danish directors Lars von Trier and Thomas Vinterberg, who created the "Dogme 95 Manifesto" and the "Vow of Chastity". These were rules to create filmmaking based on the traditional values of story, acting, and theme, and excluding the use of elaborate special effects or technology. It was an attempt to take back power for the director as artist, as opposed to the studio.
Topics are sub-genres and/or themes of any kind (romantic comedy, buddy, sports, etc.) that describe the plot of the movie you are looking for. Topics, however, are not keywords. If you search for a topic like "shark", for example, only movies in which sharks play a significant roll will appear, such as 'Jaws'. But not every movie that has a shark in it will be listed.