What is a solution$-$based structure?

a$.$ the proactive and deliberate pursuit of new opportunities by a subsidiary$$

b$.$ a customer$-$focused solution which a provider sells whatever combination of goods and services the customers prefer, including rivals' offerings$$

c$.$ subsidiaries are not necessarily at the receiving end of commands from headquarters; some are in full compliance while others may simply refuse to adopt new solutions citing local differences.$$

d$.$ a customer$-$focused dimension that supplies customers in a coordinated and consistent way across various countries