Th hxgnl rchtctr, r prts nd dptrs rchtctr, s n rchtctrl pttrn sd n sftwr dsgn. t ms t crtng lsly cpld pplctn cmpnnts tht cn b sly cnnctd t thr sftwr nvrnmnt by mns f prts nd dptrs. Ths mks cmpnnts xchngbl t ny lvl nd fcltts tst tmtn.Th hxgnl rchtctr, r prts nd dptrs rchtctr, s n rchtctrl pttrn sd n sftwr dsgn. t ms t crtng lsly cpld pplctn cmpnnts tht cn b sly cnnctd t thr sftwr nvrnmnt by mns f prts nd dptrs. Ths mks cmpnnts xchngbl t ny lvl nd fcltts tst tmtn.