The full name for ATP is adenosine triphosphate.
ATP is used for many cell functions, including transport. It is also used for mechanical work, supplying energy for processes like muscle contraction.
ATP synthase is an important enzyme that provides energy for the cell to use through the synthesis of adenosine triphosphate.
Phosphorylation is the addition of a phosphate (PO43-) group to a protein or other organic molecule.