What are test documents and what it includes?

During alpha and beta releases , what are the document we will prepare and what we will test?

Usually customers won't give all the requirements. How will u manage & collect all the necessary information.

Usually how many members work in a project & how members are now working in a project. If there r difference between the above two questions why it is so?

How u r managing the time constraints in completing the project?

What r all the cultural barriers u r facing?