What Is Software Architecture?
Most software architecture definitions involve references to one or more of the following:
Static structure of the software. Static structure refers to how elements of software relate to each other.
Dynamic structure of the software, meaning the relationships that change over the lifetime of the software and determine what the software looks like when it is running.
Composition (or decomposition) of the software. This refers to the type of significant but smaller pieces, such as subsystems and modules, that can be part of the software.
Components and interaction among them. This refers to the various pieces that make up the software and how they interact with each other.
Layers and interaction among them. Layering allows ...
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