CTQ Drilldown

A flow illustrating the measurable values of the business defined as that which is critical to quality (CTQ), that is, a measurable characteristic of what the customer requires, expects or considers a priority. The drilldown depicts the typical flow of how these CTQs align through 3 levels to what's most important for the business, which is to satisfy the ultimate customer, i.e., the owner(s) of the business (e.g., corporate shareholders).

Many misinterpret that the paying customer is the most important; while it's true they are very important in generating revenue, the drilldown illustrates how the business owner(s) is the final authority to which all other CTQs and aspects of the organization are intended to support. The drilldown can be essential for identifying and prioritizing project opportunities to ensure they meet the needs and priorities of the business.
Related StatStuff Video: 
   -Section 1-Introduction, Lesson #4 - Corporate CTQ Drilldown