Take and look are two different words.
Take is a verb. It is to get someone's possession, or to carry out (take a step), or to pick out, select or choose something.
Look is also a verb. It is to stare, see or seek or search.
But if you mean "take a look" then it means:
to look or stare at a thing with attention
Other terms that can be used other than "take a look" can be:
have a look
get a load