Flam is a term used in music to describe a specific type of rudiment or drum stroke. It consists of two notes played in quick succession, where the first note is softer and the second note is louder. This technique adds a unique texture and complexity to drumming patterns, making it popular in various musical genres. In addition to its musical context, "flam" can also refer to a type of fire or flame. It is often used in discussions about combustion or pyrotechnics, where the behavior and characteristics of flames are studied for safety and artistic purposes.