"PIRRIDM" is an acronym derived as follows:

  • There are four basic components to requirements:
    • Processes, which identifies how work is done within an organization.
    • Information, which identifies what is needed to get work done in an organization.
    • Rules, which identify the goals and limitations of the work that is done in an organization.
    • Relationships, which identify how the first three components fit together to get work done in an organization.
  • There are three techniques that a business analyst normally uses to define requirements:
    • Identify what is to be included in the Components.
    • Document the contents of the Components.
    • Maintain the contents of the Components.


This is the introductory article to patterns in English.


Transformation Rules

Summary Transformation rules are applicable to Data elements, and may be divided into two broad categories: Presentation - refers to how data is presented...


Examples of Validation and Verification Rules

Summary This article provides examples of how the Validation and Verification Rules may be applied. There are three scenarios: Scenario 1: Mandatory...



This is the main article about People in English.