M and the five forces model, generic business strategies & generic value chain

What is the five forces model of environmental threats. What are the generic business strategies and what is the generic value chain.

Main part:
Refer these 3 points ,five forces model of environmental threats, generic business strategies and generic value chain, to the company H&M.

Conclusion: Explain how these three points influence (five forces model,generic business strategies and generic value chain) the company H&M and its success.

Please write it single spaced