Is really effective work combined in a group of people is a Team Work?

1, it is very good to work in a team work, in a team different people work together for only one purpose     and based on

their proficiency  the work is divided.

2,  As a team leader the work of to maintain the good relation and take advice to every on of a team            leader

3, Give respect to every member                  

Yes. Any result achieved not by a singular person is teamwork.