1. A computer-based method and article of manufacture for graphical development of fully executable workflow applications, wherein said fully executable workflow applications are in form of computer-executable program code for loading in computer memory code segments and, after said computer-executable program code being loaded and, after said workflow applications being run by invoking said program code loaded in code segments, said running program code facilitates construction of necessary objects and threads in a way reflecting desired workflow configuration interactively described during applications' graphical development, wherein said necessary objects and threads facilitate processing of workflow orders in a way described during applications' graphical development.