Comprehension usually used with of. Knowledge about a subject, situation, etc. Your understanding might be that your mother will always drive you to school if you miss the bus.
[OC] Main mode of commuting for Calgary r/MapPorn
Understanding implies abilities and dispositions with respect to an object. He noted bond's apparent lack of. How to use understanding in a sentence.
The meaning of understanding is a mental grasp :
Or about how something works: 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. Understanding a concept means you get it.