1.3 Rings
This tab, the applications namesake displays the tables by ring order.  The ring order in PPDM is defined as the order that you MUST load tables, if you are putting data into each reference column.  The startup screen looks like:
graphic
For this example, I scrolled down the rings in the 3.8 model.  If you want to see the tables in a ring level, then just select the level you want and a screen like this will pop up:
graphic
As you can see from this example, this level seems to be component table loading one.  If you select a table, you will get this screen:
graphic
And from here, you can drill into what ever type of information you want; on-line documentation, child tables or column information