Which term describes fireworks that primarily produce an explosive sound?

The term that describes fireworks primarily designed to produce an explosive sound is "salute." Salutes are specifically constructed to create a loud bang or report when they are ignited, making them popular for adding auditory excitement to a fireworks display. They do not typically produce visual effects like colors or patterns; rather, their primary purpose is to deliver a sharp noise that can be heard over a distance.

Other options like comets, firecrackers, and mines have different primary purposes. Comets often offer visual display effects such as trails of light and color. Firecrackers are designed to create a noise but are typically smaller and used in different cultural celebrations rather than in professional displays. Mines are designed to project aerial shells into the air, often resulting in visual effects. Understanding the distinction between these terms helps clarify their roles in fireworks displays as outlined in NFPA 1123.