Project Management

I think they are effectively the same. Scope is often defined by deliverables (eg precisely what will be achieved and what reports, processing and printout will be produced). You could make a small distinction and say that the objective of these deliverables is to improve customer service, but I'm not sure it really helps because saying that the objective is to 'improve customer service' is dangerous because it is very ill-defined. Project sponsor is the person who is driving and usually paying for the project. They would usually hope for benefits in return - otherwise why sponsor it? You are correct about the owner.