'Be smart about it' means to think about something before you do it, or make a logical decision, so it can have the sense of 'being more careful/cautious', yes. The idea is 'think first, then act', 'Point taken' means to accept somebody's comment/point/argument/rationale. So here Clark is basically saying "You're right, good idea.
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MadhulkOliver to Clark after he saves him: If you hadn't ran off,
you could've picked your own name. You don't wanna play for the team,
that's fine. Be smart about it. Meaning to be more careful?
Clark: Point taken. Meaning "I've learned my lesson and be more careful"
PhilipMadhulkOliver to Clark after he saves him: If you hadn't ran off,
you could've picked your own name. You don't wanna play for the team,
that's fine. Be smart about it. Meaning to be more careful?
Clark: Point tak