Understanding implies abilities and dispositions with respect to an object. How to use understanding in a sentence. Comprehension usually used with of.
Understanding Of Atmospheric Systems With Efficient Numerical Methods
Knowledge about a subject, situation, etc. 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.
The meaning of understanding is a mental grasp :
Understanding is a relation between the knower and an object of understanding. Or about how something works: He noted bond's apparent lack of. Understanding a concept means you get it.