Overview: Context Diagrams, also known as System Context Diagrams, are visual representations that provide a high-level overview of a system or process, showing its interactions with external entities.
Purpose: The purpose of a Context Diagram is to illustrate the scope and boundaries of a system or process, and to identify its inputs, outputs, and interactions with external entities.
Visual Representation: Context Diagrams are typically represented using graphical notation, such as flowcharts or block diagrams, which make them easy to understand and communicate among stakeholders.
System Boundaries: Context Diagrams show the boundaries of the system or process being analyzed, helping to define what is included within the system and what is outside of it.
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External Entities: Context Diagrams identify external entities that interact with the system or process, such as users, other systems, or external data sources.
Inputs and Outputs: Context Diagrams highlight the inputs and outputs of the system or process, showing the flow of data or information between the system and external entities.
High-level View: Context Diagrams provide a high-level view of the system or process, focusing on the interactions with external entities and omitting the internal details of the system.
System Context: Context Diagrams help to understand the system's context by showing its relationship with the external entities, providing a broader perspective on how the system fits into its environment.
Analysis Tool: Context Diagrams are commonly used as an analysis tool in systems analysis and design, business process modeling, and requirements gathering to clarify the scope and context of a system or process.
Communication Tool: Context Diagrams are effective communication tools that facilitate discussions and understanding among stakeholders, including business users, analysts, designers, and developers, helping to align their understanding of the system or process.
In summary, Context Diagrams are visual representations that provide a high-level overview of a system or process, showing its interactions with external entities, system boundaries, inputs, and outputs. They are used as analysis and communication tools to clarify the scope and context of a system or process, and facilitate understanding among stakeholders.
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