Difference of all of the Rolex watches?

[Topic]

What is the difference and the meaning behind all of the models???

1.Datejust - i'm guessing its an ordinary watch, just to tell the time or date on correct?

2.Daydate - same thing just adds the day

3.Turn-O-Graph - no clue what it means or what its used for haha...help

4. Perpetual - same thing as daydate/datejust but without the date and day?

5. Air King - I guess same as perpetual...no date and no day

6. Explorer - Just tells you the time in another part of the world?

7. GMT-MasterII - same as explore only different looking?

8. Daytona - Has a timer for racing etc.?

9. Milgauss - What da??? I have no clue what its used for.

10. Sea-dweller - Sumbariner with more depth?

11. Yacht master - no clue

12. Submariner - used for diving and the bezel tells you how much air your tank has left?