Is there a difference between garden soil and topsoil?

Excuse me, could you please clarify the distinction, if any, between garden soil and topsoil? I'm a bit confused as to how they might differ in terms of their composition, nutrient content, or suitability for specific plant types. Could you elaborate on the key differences and perhaps provide some insights into when it might be more appropriate to use one over the other? I'm interested in learning more about this topic to better understand how to care for my garden.