"Insight" is an abstract noun, representing a mental process or understanding. To make it more concrete, you could use nouns that describe the *result* of insight, such as:
* Realization: A sudden understanding or awareness.
* Understanding: A clear comprehension or interpretation.
* Revelation: A surprising or new disclosure.
* Knowledge: Information acquired through experience or study.
* Clarity: The state of being clear, understandable, and free from confusion.
The best choice will depend on the specific context.