Understanding implies abilities and dispositions with respect to an object. Both comprehension and understanding can be used to talk about someone's ability to understand something. Understanding a concept means you get it.
Zero Conditional Woodward English
Knowledge about a subject, situation, etc. Or about how something works: Understanding is a relation between the knower and an object of understanding.
He noted bond's apparent lack of.
Comprehension usually used with of. The meaning of understanding is a mental grasp : 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.
