Marketing analytics is most valuable when it answers a decision, not just a reporting request.
Start with a shared definition of the outcome: qualified demand, repeat purchase, or profitable growth. Then connect the channel data, customer data, and cost data needed to understand that outcome in one place.
The useful view is rarely a single dashboard. It is a repeatable conversation between the people setting strategy and the people operating campaigns. Clear measures, consistent attribution rules, and timely reporting let a team see what changed and decide what to do next.
That is how analytics moves from activity tracking to better marketing decisions.