The term "change" in the context of a porn video tag typically means that there is a shift or transformation occurring within the scene. This could refer to any number of things, including:
1. Change in positions: A shift from one sexual position to another, such as from missionary to doggy style.
2. Change in partners: The introduction of additional participants, either by including another couple or engaging in a threesome/group sex scenario.
3. Change in setting: The scene may move from indoors to outdoors, or shift locations within the same space (e.g., from a bedroom to a living room).
4. Change in clothing/fetish wear: Participants may remove their clothing or put on new fetish attire, such as lingerie, latex, masks, etc.
5. Change in intensity: A variation in the pace, style, or intensity of sexual activity, ranging from slow and sensual to fast and intense.
6. Change in acts: The scene might involve different sex acts (e.g., from oral to penetrative sex), or new sexual activities may be introduced