The structure description [...] variable of type FBF [...] variable of type INT =>
, so are its variables. Library [...] The input variables itf [...] BEFORE the input variables
, interface, structure [...] -constant GVL variables [...] for its variables.
.g. VisuElements, NetVariables [...] structure ( optional )
environment variable [...] for reStructured [...] documents in reStructured
Structural Changes [...] _BLOCK or FUNCTION like variables [...] of the library. Structural