Business Plan Mind Map - that's exactly the level you should look at this topic in an early stage startup environment. Use it as a brain teaser, be very selective (e.g. don't worry about balance sheets etc.) and don't overstrategize. Stay humble and lean and capture your initial data in the lean or business model canvas - not in a heavy business plan document.
Navigating the Dozens of Different Strategy Options
Any business or business model goes through a life cycle, & each stage requires a different approach. Businesses are usually created in the visionary or shaping quadrants of the strategy palette and tend to migrate counterclockwise through adaptive and classical quadrants before being disrupted by further innovations and entering a new cycle, although the exact path can vary - HBR