EA

EA, noun
enterprise architecture, noun

coherent and proven set of principles, recommendations, practices, and tools which provides guidance and practical help for the design and evolution of IT and business to achieve enterprise vision and strategy

Remark 1: Examples of business vision and strategy are a higher level of maturity, a greater agility, better collaboration, merging, cost cutting, modernisation of legacy applications, outsourcing of a business unit, etc.

Remark 2: Some parts of enterprise architecture are dedicated to different stakeholders.

Remark 3: To guarantee the desired outcome, enterprise architecture needs to be as good as applied science.