You are hereLearning
SOA is for building business applications. Many legitimate approaches to software architecture exist, and SOA is not intended for building every kind of software. It is intended explicitly for building business applications.
SOA is a black-box component architecture. SOA deliberately hides complexity wherever possible, and the idea of the black box is integral to SOA. The black box enables the reuse of existing business applications by adding a fairly simple adapter to them, no matter how they were built.
Here are the definition of some of the key terms related to SOA Governance.