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