Layout tab
This is where the layout of each page is developed, using a combination of HTML and ABAP you are able
to define what the screen looks like and how data is displayed.
Event handler
Define events such as OnCreate, OnInitialization etc.( I.e. OnInitialization could load an internal table)
with data.
Page attributes
Define data types used on page (i.e. internal table, work area).
Type definition
Data declarations.
Preview
Display preview.