The meaning of understanding is a mental grasp : Mental process of a person who comprehends; Both comprehension and understanding can be used to talk about someone's ability to understand something.
Understanding DC Voltage Principles and Applications
He noted bond's apparent lack of. Knowledge about a subject, situation, etc. Understanding is a relation between the knower and an object of understanding.
Comprehension usually used with of.
How to use understanding in a sentence. Understanding implies abilities and dispositions with respect to an object. Or about how something works: