Identify the sorts of corporate-level strategies used by a case compan

Identify the sorts of corporate-level strategies used by a case company (Southwest Airlines, Polaris and Victory Motorcycles, Safaricom, Starbucks, Martha Stewart Living Omnimedia, Seimens, or Tim Hortons). How do these corporate level strategies add value for the entire company? Note: Don’t confuse business-level (competitive strategies) with corporate-level strategies.