Understanding is a relation between the knower and an object of understanding. Comprehension usually used with of. Knowledge about a subject, situation, etc.
Understanding the Basics of the SCT01 Short Span Compression Tester
Or about how something works: Understanding a concept means you get it. The meaning of understanding is a mental grasp :
He noted bond's apparent lack of.
Both comprehension and understanding can be used to talk about someone's ability to understand something. How to use understanding in a sentence. Your understanding might be that your mother will always drive you to school if you miss the bus. Understanding implies abilities and dispositions with respect to an object.
