What are the four stages of the VCD design process, and how does the double diamond model show the way a designer moves between them?
the four stages of the VCD design process, Discover, Define, Develop and Deliver, represented as a double diamond, and the iterative, non-linear way a designer moves through and revisits them when solving a communication problem
A VCE Visual Communication Design Unit 3 answer on the four-stage VCD design process: what Discover, Define, Develop and Deliver each involve, why it is drawn as a double diamond, and how the process is iterative rather than strictly linear.
Reviewed by: AI editorial process; not yet individually human-reviewed
Have a quick question? Jump to the Q&A page
What this dot point is asking
This dot point is the map for the whole study. Every other Unit 3 and Unit 4 topic sits inside one of the four stages, so understanding the model lets you locate any piece of folio work and explain why you did it when you did.
Why a double diamond
The two diamonds represent two cycles of widening then narrowing your thinking. Each diamond opens with divergent thinking, where you deliberately broaden options, and closes with convergent thinking, where you reduce and decide. Drawing it this way makes the rhythm of design visible: explore widely, then commit; explore widely again, then resolve.
The four stages
- Discover is the opening of the first diamond. You research the problem space broadly using human-centred and ethical research methods, gathering insight about users, context and existing solutions without committing to an answer.
- Define is the closing of the first diamond. You synthesise the research, reframe the real problem, and write a brief that states the communication need, purpose, audience, context and constraints. The brief is the decision that ends diamond one.
- Develop is the opening of the second diamond. You generate and explore a wide range of design ideas and concepts for each communication need, testing them through critique and iteration.
- Deliver is the closing of the second diamond. You refine and resolve concepts into final solutions, pitch them to an audience, and evaluate how well they meet the brief.
The process is iterative, not a straight line
The single most examined idea here is that the model is not a one-way conveyor belt. Designers loop back. A weak concept in Develop may send you back to Discover for more research. Feedback in Deliver may reopen Develop. The double diamond shows the typical direction of travel, but real practice moves backwards and forwards as understanding improves.
How the process maps to your folio and the units
Unit 3 covers Discover, Define and Develop: you research, write a brief for two communication needs, and develop distinct concepts. Unit 4 covers Deliver: you refine and resolve, pitch and evaluate. The School-assessed Task is the physical record of your journey through all four stages, so each stage should be visible and annotated in the folio.
Writing about the design process
In the exam, name the stage, state its purpose, and connect it to the thinking mode it uses. Strong responses also show awareness that stages overlap and repeat. Do not describe the process as four neat boxes done once each; describe it as a guided but flexible cycle.
When you can place any folio decision inside Discover, Define, Develop or Deliver, name the thinking mode it used, and explain how it might send you looping back, you understand the design process as a working tool rather than a diagram to memorise. That working understanding is what this dot point is built to assess.