The Value Chain, SWOT analysis, Core Competencies, and Competitive Advantages.
For these four items,
you must explain WHY a strength or weakness exists /
WHY there is an opportunity or threat.
For CCs, tell what makes each CC relatively better than other organizational strengths.
A CA must explain why that CA holds an edge over the competition. Provide evidence to justify your decisions. The best evidence is proof. If proof is not available, the make a substantiated inference. Don't guess!