Marketing practices have evolved over the last few decades. Starting with product centric approach, segment centric and then customer centric approach in the early 1990s.
The focus on customer centricity is to create a positive experience for a customer at every stage of her journey.
Market share is a firms sales in volume or value divided by industry sales in volume or value.
A market share orientation is represented on the two dimensions of needs satisfied and customers reached.
In customer share orientation, firms try to meet all related needs of their customers, even if they have to make new offerings.
Lifetime value is the net profit of an individual customer over his lifetime.
Activity based costing is used to assess the actual cost of serving a customer.