Customer Redistribution by Campaign report

Before Optimization table
Column	Description
Campaign Name	The name of the campaign participating in this Contact Optimization session.
Original Cust. Count	The number of unique customers that are targeted by a campaign after removal of opt-outs, that is, after the removal of customers by Exclude/Include rules.
# Shared	The total number of unique customers that are shared with any other campaign. This number is the number of unique customers that are also being targeted by any other campaign in the same Contact Optimization session.
Customers Shared With	The number of unique customers commonly targeted (shared) by each campaign.
Not Shared	The number of customers unique to the campaign. That is, the number of customers that are not targeted by any other campaign participating in the same Contact Optimization session.

After Optimization table
Column	Description
Campaign Name	The name of the campaign participating in this Contact Optimization session.
Optimized Cust. Count	The number of unique surviving customers that are targeted by the campaign after optimization.
# Lost	The total number of unique customers that are removed from this campaign by the Contact Optimization session.
Customers Lost To	The number of unique customers lost to each other campaign participating in the Contact Optimization session. That is, the number of customers not allowed a contact from this campaign, yet allowed contact from another campaign.
Not Shared	The number of customers in this campaign and not contacted in any other participating campaign.