Messages are used extensively throughout the LANSA system. It is worthwhile spending some time understanding exactly how they are displayed and used.
Details are provided in these topics:
1.7.2 The HELP Key
1.7.3 Display Second Level Message Text
1.7.4 Display the Online Guide and Search the Dictionary
1.7.5 The Extended HELP Facility
1.7.6 Display User Defined HELP Text