What is the uses a ribosome?

Question

wouldn't it be to feed the copy of DNA and to make proteins out of amino acids.

What is an amino acid made of and what is it's uses?
wouldn't that one be it is made of three bases and it is used to make proteins.

sorry the first question is unclear it is supposed to say: What is the uses of a ribosome?

http://en.wikipedia.org/wiki/Ribosome

http://en.wikipedia.org/wiki/Amino_acids

http://en.wikipedia.org/wiki/Amino_Acid