... MAILING, ADDRESS_LABEL, STICKY_FORM,REGISTRATION, PERSON, INVOICE, INVOICE_FORM,ATTENDEE_LIST, LIST_FORM, POSTER_SIGN,POSTER_FORM, EVALUATION_SHEET,EVALUATION_FORM, STATISTICSPRESENTATION*STATUS, ... enumeration.Only for the unfortunate cases, where no nice continuous abstractions can befound for the behavior, do we call upon the state machine brigade to come in andsort out the disorder and transform ... precise information is needed, we can turn to theformal class interfaces and/or the source code.It is a general principle in BON to strive for direct correspondence betweenthe information...