The term "moderate intensity" refers to a level or degree of something that falls between two extremes. In general usage, it can mean anything from a moderately intense emotion or activity to a moderate amount of force or pressure. When used in the context of exercise or physical activity, moderate intensity typically describes an effort level that is not too easy but also not overly strenuous - something that most people could do without experiencing significant discomfort or exhaustion. In terms of calories burned during exercise, moderate-intensity activities are those that require a sustained expenditure of energy, such as brisk walking, swimming at a steady pace, or cycling on flat ground.