'Share of Customer' what exactly are they asking

Answer 1

Share of customer means keeping a large share of the customers you already have. Assure their loyalty by giving them the service they want.

Check these sites for more information.

http://www.mobileyouth.org/post/share-of-customer-vs-share-of-market/

http://www.brandirect.com/articles/share-of-customer.php

Answer 2

thank you,

Focusing on High-Value Customers
isent this the same answer as, Lifetime Value of Customer

Answer 3

You're welcome.

Yes -- I believe that lifetime value of customers is very similar to share of customer.

http://en.wikipedia.org/wiki/Customer_lifetime_value