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