The concepts of business architecture and enterprise architecture?

The concepts of business architecture and business architecture, what is the difference? I'll try to explain how I look at it. What benefit can you get from company-wide architectural work (business - EA architecture)?

The business architecture describes the overall plan for the entire business with business strategy, governance, and business processes. It also describes the company's goals, employees and responsibilities, etc. The corporate architecture contains principles, rules, standards, and guidelines for an entire organization and not just a specific system.

EA structures the organization's purposes and systems with, for example, the company's goals and visions for the technical implementation of systems. Business architecture is not the same as business architecture because it is a component of the business architecture that helps to describe goals and responsibilities, etc.

What benefit can you get from company-wide architectural work?

Company-wide architectural work helps to show whether IT systems support the business and business processes. Or if there are poorly adapted systems that generate large costs for the company. This is because more and more is being digitized.

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