All Watch Tower Society (Corporation) activities have to do with the books the leaders published.
Personal study is reading the books the leaders published. Meetings are studying the books the leaders published. Service is distributing the books the leaders published. Bible studies are sessions indoctrinating new workers by using the books the leaders published.
Kingdom Halls are distribution centers where inventory is stocked and a special literature counter is provided and staffed with volunteer workers for the sales people to pick up the books the leaders published. Contribution boxes are conveniently placed for "publishers" to pay by donation for the literature the leaders published.
The worldwide ministry is to increase the distribution of the books the leaders published. The Corporation's school for missionaries is called Gilead, and it's purpose is to teach members how to start new congregations using the books the leaders published.
Member's weekly schedules revolve around the study and distribution of literature the leaders wrote and published. That schedule is set up by the Watch Tower Publishing Corporation.
Saturday morning is devoted to distributing magazines the leaders wrote and published.
Sunday public talk meeting is given from an outline the leaders wrote and published on a topic selected by the leaders and referenced by books the leaders wrote and published.
Sunday Watchtower Study meeting is reading from and studying a magazine the leaders wrote and published.
Tuesday book study meeting is reading from and studying a book the leaders wrote and published.
Wednesday is preparing for Thursday night meetings by reading books the leaders wrote and published.
Thursday Theocratic Ministry School is speaking from and reading from books the leaders wrote and published.
Thursday Service Meeting is a sales meeting training for presentations to distribute books and magazines the leaders wrote and published. The Service Meeting is also used to announce staff additions, changes, or deletions as approved by the Watch Tower Publishing Corporation.
Daily texts are read daily from a book the leaders wrote and published.
Yearly conventions are sponsored by the Watch Tower Publishing Corporation. The highlight is the release of new publications the leaders wrote and published and the water baptism of new "Publishers" who agree to be identified with the Publishing Corporation, calling themselves the "Spirit Directed Organization".
Members are called "publisher" and only qualify to be recognized as members if they engage in the distribution of books and magazines the leaders wrote and published and then report that engagement on Field Service Report forms that the leaders published.
("Publisher" is dictionary defined as One that is engaged in publishing printed material.)