Value modes
describe a single piece of information such as a total
Page modes
describe a data object such as a customer
single value
stores text, numbers, dates, Boolean values, and amounts.
value list
a container for an ordered list of single values
value group
a container for an unordered list of single values
page
single entity
page list
a numerically ordered list
page group
an unordered list
px
Identifies special properties — your application can read but not write to these properties.
py
You can use these properties in your application.
pz
Supports internal system processing — the meaning of values may change with new product releases.