The creation of a whole greater than the sum of its parts is called teamwork.

Creation

The act of bringing something into existence that did not exist before, whether it be an idea, a physical object, or a process.

Sum of Its Parts

A principle indicating that the whole entity or system's value or functionality is equal to the combination of its individual components or elements.

Teamwork

The collaborative effort of a group to achieve a common goal or complete a task in the most effective and efficient way.