Thesoftware architecture isa set of software components, subsystems,relationships, interactions, the properties of each of these elements,and the set of guiding principles that together constitute thefundamental properties and constraints of a software system or set of systems.（71）defines a general set of element types and their interactions.The examples include Pipes and Filters,Model-View-Controller, and Reflection.A （72）in software architecture is a representation used to understand or document oneor more aspects of a problem or solution. Architectureis usually used in conjunction with many adjunct terms. The（73）defines the key strategies, organization, goals and related processes of theenterprise. Atthe enterprise level, the （74）may be more of a set of guidelines on how the various software architecturesshould be constructed consistently across the enterprise.The （75）, whichdescribes the high-level set of elements involved in application from a particular domainalong with their interactions, is often used to focus on subsystemdefinition rather than application process level definition.
Architectural pattern
B. Architectural description
C. Architectural view
D. Architectural viewpoint
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