This document provides an overview of key concepts in ITIL Service Strategy based on a mind map. It covers 12 main topics: 1) Implementation, 2) Governance, 3) Marketing, 4) Service Provider, 5) Value, 6) Kano Model, 7) Technology, 8) Strategy Principles, 9) Assets, 10) Opposing Dynamics, 11) 4 P's, and 12) Benefits. For each topic, it lists relevant sub-topics and concepts to understand for implementing an effective service strategy based on ITIL guidelines.