The Generation Settings dialog allows you to control how the display looks on the Generations view.
•Display most recent generation first 
change which generations is displayed first
Most recent generation first
Most recent generation last
•Orientation change if generations are displayed horizontally or vertically
Horizontal. Sorting is done via the column headers. Rows are auto-highlighted as you mouse over them.
Vertical. Sorting is done via the row headers. Columns are auto-highlighted as you mouse over them.
Vertical orientation allows you to easily see runaway growth of a particular type as generations are created.
