The Important issues involved in Corporate Strategy are:
The company’s orientation towards growth, stability or retrenchment. This is referred to as directional strategy.

The markets in which the company competes through its products or business units. This is referred to as Portfolio strategy.
Activity co-ordination and transfer of resources for achieving capabilities among product lines and business units. This is referred to as Parenting strategy.

McKinsey Matrix
Strategic Planning Institute's Matrix (Profit impact of Market strategy - PIMs)
Arthur D.Little Co.'s Matrix
Hofer's Product/Market evaluations Matrix