Know Before You Go: A Guide To North Dakota’s DOT Highway Camera Network

Recently one of my friends told me that there is distinct difference between 'know of something' and 'know about something' expressions.

'know of' is used when you have personal.

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I'm confused in whether to write know or knows in the following statement:- the ones who are included know better. ?

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Also explain the difference between the two, thanks.

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I know (about) this difficulty/problem.

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I know (about) engineering.

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In the first sentence, it seems to me that to know expresses that the speaker experienced the problem/difficulty.

For me, know implies knowledge of details or individual pieces, while am aware of implies a knowledge only of a whole.

Using your example, knowing my rights means that i know i have.