How to apply the “what, how, why” for software development

3 steps to achieve great quality software

The “What, How, Why” framework is a powerful tool for software development by promoting clear communication and critical thinking throughout the process.

By incorporating “What, How, Why” throughout the software development lifecycle, we can build better software, improve communication, and achieve successful project outcomes.

Applying the Framework Throughout Development:

• Use “What, How, Why” during project planning, requirement gathering, design discussions, code reviews, and testing phases.
• It helps identify potential issues early on, fosters clear communication between developers, stakeholders, and clients.

Here’s how we can apply it:

1. Defining the Problem (What):

• What is the problem you’re trying to solve with the software?
• Who are the users and what are their needs?
• What are the existing solutions and their limitations?

By clearly defining the problem, you ensure everyone is on the same page about the software’s purpose and target audience.

2. Designing the Solution (How):

• How will the software address the user needs identified in the “What” stage?
• What are the key features and functionalities of the software?
• How will the user interface (UI) and user experience (UX) be designed?

With the “how” we brainstorm and develop the technical aspects of the solution. Consider different approaches, keeping the “What” in mind to ensure the solution aligns with the problem.

3. Evaluating and Justifying (Why):

• Why is this the chosen solution compared to alternatives?
• Why are these features and functionalities important?
• How will the success of the software be measured?

This stage involves critical thinking and justification. Ask yourself why this solution is the best and how it will be demonstrably successful in solving the problem.

Here are some additional benefits:

• Improved Decision Making: By considering the “Why” behind every decision, you can avoid feature creep and ensure the software stays focused on core objectives.
• Better Documentation: A strong understanding of “What, How, Why” leads to well-documented code and design choices, making future maintenance easier.
• Alignment with Business Goals: Focusing on the “Why” ensures the software development efforts contribute to the overall business objectives.

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