How can the team maintain understanding of the big picture without getting lost in the details?

The team is very busy working on a top priority initiative. They have delivered many user stories and have many left to complete.

However the components they are delivering are not yet delivering end-to-end business value.

How can the team maintain understanding of the big picture without getting lost in the details?
A . Create a gantt chart
B . Refine their backlog
C . Create a story map
D . Fully elaborate user stories

Answer: C

Explanation:

Reference: http://www.agilebuddha.com/agile/story-mapping-andvs-process-maps/