This document discusses various corporate level strategies including growth, retrenchment, and combination strategies. It outlines internal and external growth strategies such as market penetration, market development, product development, and diversification. Diversification includes vertical, horizontal, concentric, and conglomerate diversification. External growth strategies include joint ventures, mergers and acquisitions, and takeovers. Retrenchment strategies involve divestment and liquidation. Combination strategies bring together elements of growth and retrenchment. The document also discusses turnaround strategies and provides steps to implement a turnaround.