Application Dictionary(APDD) vs Runtime Dictionary(RTDD)

APDD are the Tools Tables of Company 000. With the Tools application, you will maintain the BAAN Software creating entries in Company 000. These changes need to be moved to the directory structure by:

Compilation: Reports, Program Scripts and Dynamic Link Libraries
Generate Dump: Forms and Menus
Conversion: User Data, Database Information, etc.
Direct Available: Means that those tables are used at runtime as well

It is important to note that those items requiring a conversion will require the user to log off and login again. This needs to be done because critical data has been changed at the Operating System level. Logging in / Starting the application again means that the bshell is able to read the changes.
Another important table is the runtime table (ttadv999). This table can be considered as a kind of shopping list for the Bshell. If the Bshell needs to run a session, it uses the information stored in the runtime table (ttadv999) to locate any objects, forms, reports, etc. which are linked to that session.

Object
Form
Report

Related Questions:

what is the need of converting software components to runtime data dictionary after any change in software component.?
Why this is recommended that after any change in software component we should log off Baan and login again?