| Output format | Constants for setting the output format for some functions |
| Syntax and help | Syntax and help constants for FLUC byte and record interface |
| Hash methods | Defines integer values for the different hash methods |
| MAC methods | Defines integer values for the different methods for calculation a message authentication code |
| Counting values | Defines integer values to define which statistical accounting value is requested by function fcbcount() or FCRCNT() |
| Matrix types | All available matrix type definitions (data formats) |
| Element types | Element type definitions by matrix type |
| Block | Block element types (see: FLMMAT_TYP_DATBLK) |
| Record | Record element types (see: FLMMAT_TYP_STDREC etc.) |
| Text | Text element types (see: FLMMAT_TYP_TXTREC etc.) |
| XML | XML element types (see: FLMMAT_TYP_XMLELM) |
| TAB | Table element types (see: FLMMAT_TYP_TABELM) |
| Archive type constants | Constants for the FLAM5 archive type returned by uiFmrGetArcType() |
| Save mode constants | Constants for the FLAM5 archive save mode returned by uiFmrGetArcSaveMode() |
| Structures | Definition of structures for FLAM's APIs |
| Return codes | FLAM Return/Reason codes |
| Function codes | Function codes passed to the FSEG provider as the third parameter |
| Default library and function names | Names used when no explicit library or function is configured |
| Interface version | Version identifier passed to the provider on every call |
| Flags for OPN | Bit flags passed in TsFsegOpn.uiFlg at open time |
| Segment type markers | Values for TsFsegPut.uiSegTyp identifying the logical role of a segment within the FLAM5 archive format |
| Special segment index values | Sentinel values for segment indices |
| Function parameter structures | One structure per function code; collected in TuFsegPar |
| Provider entry point | The single exported function that a FSEG provider DLL/SO must implement |