Details depend on many factors, but in general start with the following:
- The problem you're solving
- The solution
- Competitive advantage
- Current status+traction
- Total addressable market size
Summarize each in a sentence or two, then put the most impressive ones first (except problem description - that should generally go first). For example, if you have a killer team, start with that. If your customer list grows exponentially, start with that. If you have revenues (or better yet profits) start with that.
Hope that helps.