The meaning of understanding is a mental grasp : 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.
Salinas Valley ACE 10
How to use understanding in a sentence. Understanding implies abilities and dispositions with respect to an object. Or about how something works:
Knowledge about a subject, situation, etc.
Comprehension usually used with of. Both comprehension and understanding can be used to talk about someone's ability to understand something. Understanding is a relation between the knower and an object of understanding. Understanding a concept means you get it.