This document discusses different types of corporate diversification strategies. It defines diversification strategies as firms entering entirely new industries, unlike vertical integration which involves moving into a new part of an existing value chain. It provides examples of concentric diversification, where a firm takes on a related activity, and conglomerate diversification, where a firm diversifies into an unrelated industry. Specific examples mentioned include Avon marketing jewelry through its sales force, and Maggi adding tomato ketchup to its food product line.