Source-derived document; reported behaviour, inference and evidence gaps are identified in the text.

Integration data flow

Subjects and elements	Diagram	Sources
D4_Main; Customer module; Orders module; Stock module; Reports module; Customer forms; Order forms; Shared application state; stores7 database; Report output channels	Diagram; 2 recorded gaps	E0001, E0002, E0003, E0004
Customer and order forms; Help and keyboard behavior; Order interface; Item record model; Order record model; Stock record model; Invoice record model; Persistence and transaction boundary	No diagram; 3 recorded gaps	E0004, E0006
Customer forms; Customer application; Stores7 customer records; Customer source records; Order and item unload records; Main navigation; Help and executable source	Diagram; 3 recorded gaps	E0007, E0008
Order Management Program; Customer Query Program; stores7 Database; Order Forms; Orders Extract; Stock Records; Manufacturer Records; State Reference Records; System Catalog Attributes; Compiled Form Artifacts	Diagram; 3 recorded gaps	E0009, E0010
D4_Main; D4_Orders; D4_Report; D4_Globals; Informix database	Diagram; 2 recorded gaps	E0011, E0012, E0013, E0014

Harten documentation of the Informix 4GL and Java source repository, from the retained 17 October 2026 export. The exact upstream revision analysed is not established. Source findings do not establish runtime behaviour or equivalence between the implementations.

Evidence identifiers are retained for traceability. The underlying analysis records are not included in this public edition; credential values are redacted. About this case study.