HomeRolla GlossaryRolla GlossaryYour go-to for demystifying health and fitness lingo! Here, we turn tricky terms into clear, straightforward definitions so you can focus on crushing your goals.By Sven Borec•10 articles❤️Health Score Heart RateHeart Rate Variability (HRV)Active Calories🍽️Resting Metabolic RateActive PointsSleepDaily weight fluctuationsDaily Calorie BudgetEstimated weight