Almost all data fields have a FieldClass property. FieldClass has as much effect on the content and usage of a data field as does the data type, in some instances more. In the next chapter, we'll cover most of the field properties, but we'll discuss the FieldClass property options now.
FieldClass property options
FieldClass - Normal
When the FieldClass property is Normal, the field will contain the type of application data that's typically stored in a table, the contents we would expect based on the data type and various properties.
FieldClass - FlowField
FlowField must be dynamically calculated. FlowFields...