Describing a Business Capability Map
A business capability defines an expected skill.

A business capability represents a specific ability that an organization possesses or needs to develop to deliver a particular business outcome.
For example, to meet a customer satisfaction objective, the organization must be able to provide services conforming to contractual commitments.
A capability map describes what the enterprise is capable of producing for its internal needs or to meet the needs of its clients. It is based on the main business capabilities of its activity at a given moment.

A business capability map is a set of business capabilities with their dependencies which define a framework for an enterprise stage.