pov: Point of view. A type of video recorded by one of the performers. The viewer sees the action through the eyes of the actor.
amateur: Like in sports, amateur porn features individuals who are not professional porn stars. It features ordinary individuals partaking in every day sexual acts. Girl/boy next door, wives/husbands, girlfriends/boyfriends. Sometimes real amateurs but quite often professional models just pretending.
big dick: This kind of porn involves at least one performer with a massive penis.