Porter's value chain matrix diagram

"A value chain is a chain of activities that a firm operating in a specific industry performs in order to deliver a valuable product or service for the market. ...
The concept of value chains as decision support tools, was added onto the competitive strategies paradigm developed by Porter as early as 1979. In Porter's value chains, Inbound Logistics, Operations, Outbound Logistics, Marketing and Sales and Service are categorized as primary activities. Secondary activities include Procurement, Human Resource management, Technological Development and Infrastructure." [Value chain. Wikipedia]
This Porter's value chain matrix diagram example was created using the ConceptDraw PRO diagramming and vector drawing software extended with the Matrices solution from the Marketing area of ConceptDraw Solution Park.