1) The document discusses competitive dynamics and strategies for different market positions. It describes strategies for market leaders to expand the total market and defend market share, as well as strategies for challengers, followers, and niche players.
2) Market leaders should expand total demand by finding new customers or increasing usage among existing customers. They must also protect market share through continuous innovation, proactive marketing, and defensive strategies.
3) Market challengers can employ frontal, flank, encirclement, bypass, or guerrilla attacks combined with strategies like lowering prices, improving quality, or innovating products.