The Garmin Bounce 2 Guide names it for kids and family.Kids and family: Calls, texts and live location let a child stay in touch with parents without a smartphone. Source linkedSource
The Garmin Venu 4 Guide names it for health and travel.Health: Log lifestyle choices on the watch and see how they move your sleep, HRV and skin temperature trends. Source linkedSourceTravel: Multiple workouts and 10 full days passed before it needed charging, so you can leave the charger at home for a week away. Source linkedSource
From what each Guide names the product best for. Both Guides also name fitness.