This document describes the objects available to build, maintain and control applications with Natural.

The following table is an overview of Natural and non-Natural objects, their use, and the Natural editors or utilities provided to create and maintain them.

Object Type	Use	Editor or Utility
Data Areas: Local Data Area Global Data Area Parameter Data Area	Variable and parameter definitions for other Natural objects	Data Area Editor
Data Definition Module	Natural data definitions for database file access	DDM Editor
Programs and Subordinate Routines: Program Subroutine Subprogram Function	Main programs, invoked routines and functions	Program Editor
Helproutine	Help requests for applications
Copycode	Source code for repeated use in other Natural objects
Text	Documentation for Natural objects
Class	Component-based applications	Program Editor
Map	Character-based screen layouts	Map Editor
Adapter and GUI Layout	Complex graphical user interfaces and rich GUI pages generated from external page layout	Natural for Ajax Developer (see the Natural for Ajax documentation)
Dialog	Event-driven applications	n/a (storage and display only)
Resource	Non-Natural objects such as HTML files or bitmaps	n/a (storage and display only)
Error Message	Natural system and user-defined messages	SYSERR Utility
Command Processor	Command-driven navigation	SYSNCP Utility

Related Topic:

For information about the naming conventions that apply to Natural objects, see Object Naming Conventions.