Value Offered: The vendor makes the products available (thus offering the value.) The Customer or Partner applies their own knowledge to exploit them.
Value Added: The vendor responds to the Customer or Partner's needs or pain and uses its knowledge (adds value) of products and services to build a solution.
Value Created: The vendor reveals risk or opportunity for the Customer or Partner and assumes some responsibility for the Customer or Partner to realise the envisioned return (thus creating value for them)
Value Captured: The vendor shares full risk and reward by capturing the value jointly with the Customer or Partner.