Component help text can be stored within the component definition (refer to DEFINE_COM) or it can be stored in the repository with field, function and process help.
Help text is information that is displayed to the end user when application requests help (using the Help key or equivalent request). Help text can be entered for each language specified in the partition.
Generally, Help text has the following characteristics:
LANSA automatically controls the handling of the Help processing in applications. LANSA will automatically determine the type of Help that is required (field, component, process or function) and automatically display the associated Help text (if any exists).
In the Developer Guide: Repository Help Editor