Calorie count refers to the number of calories in a particular food item or meal. Calories are a measure of energy that our bodies receive from the food we eat, and they play an important role in maintaining our weight, activity level, and overall health. When people try to lose or manage their weight, they often pay attention to the number of calories they consume in order to create a calorie deficit (meaning they burn more calories than they take in). Therefore, "calorie count" is an important concept for anyone looking to maintain, gain, or lose weight.