Security of Investment T h e A r c h i t e c t ´ s N a p k i n - C h e a t S h e e t Deve lo permodes A spec tsofrequirementsTheSoftwareCell Horizontaldivision Vertical division Resource Provider Actor/Role Portal Domain Craftsman Engineer Researcher Functionality Quality C o r r e c t n e s s Operationsprimaryseco nda r y E v o l v a b i l i t y ProductionefficiencyBroughttoyouby:
