Savvy (Noun)

The cognitive condition of someone who understands; "he has virtually no understanding of social cause and effect".

Nouns denoting cognitive processes and contents.

He had a low level of savvy about the complexities of the business world, which often left him at a disadvantage.
Her lack of savvy regarding technology made it difficult for her to navigate the software.
The old man had a lot of savvy about the ways of the world, which he gained from his extensive traveling.
Despite being young, she had a surprising amount of savvy regarding investments and finance.
The politician's lack of savvy about environmental issues was glaringly obvious to the audience.