A structural analysis method



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Edrine
External Entities - Entities are source and destination of information data. Entities are represented by

a rectangles with their respective names.

Process - Activities and action taken on the data are represented by Circle or Round-edged

rectangles.

Data Storage - There are two variants of data storage - it can either be represented as a

rectangle with absence of both smaller sides or as an open-sided rectangle with only one

side missing.

Data Flow - Movement of data is shown by pointed arrows. Data movement is shown from

the base of arrow as its source towards head of the arrow as destination.


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