Understanding a concept means you get it. Comprehension usually used with of. Both comprehension and understanding can be used to talk about someone's ability to understand something.
Outlining Roles And Responsibilities TGIPE
How to use understanding in a sentence. The meaning of understanding is a mental grasp : Understanding implies abilities and dispositions with respect to an object.
Or about how something works:
Your understanding might be that your mother will always drive you to school if you miss the bus. He noted bond's apparent lack of. Knowledge about a subject, situation, etc. Understanding is a relation between the knower and an object of understanding.
