A smoke grenade is a symbol of military tactics used for obscuring the enemy's visibility and conceal movement. The term smoke grenade is often associated with the military, but it is also used in other fields such as photography, art, and film. In photography, a smoke grenade adds smoke effects to the background of an image to create a dramatic effect, while in film, it is used to simulate fog for a cinematic effect. Some of the synonyms for smoke grenade include smoke bomb, smoke canister, smoke flare, and smoke emitter. These synonyms are often used interchangeably with smoke grenade and are commonly associated with similar tactics.