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Phase 3
Wireframing & Prototyping (Low vs High Fidelity)
This module explores the essential tools of early product design: wireframing and prototyping. You’ll learn how wireframes serve as skeletal blueprints to align teams on structure, hierarchy, and flows before visual polish enters the conversation. We compare low- vs. high-fidelity approaches—when a sketch is enough, and when interactive prototypes are needed to validate real user behavior. Prototyping takes these foundations further, creating testable simulations that uncover usability issues, accelerate alignment, and save development costs. By the end, you’ll understand the spectrum from napkin sketches to pixel-perfect interactive prototypes, and how to pick the right fidelity for the challenge at hand.
What is Wireframing?
Wireframing is the practice of stripping a design idea down to its bare structure. Think of it as the architectural blueprint of a digital product: it maps layouts, navigation, and content hierarchy without the distraction of visual details. The purpose is alignment—ensuring everyone agrees on the essentials before investing in design polish or engineering.
Low-Fidelity vs. High-Fidelity
Low-Fidelity (Wireframes & Prototypes)
Rough, fast, and disposable. Great for ideation, brainstorming layouts, and validating core flows early. They spark constructive feedback by keeping focus on structure rather than aesthetics.
High-Fidelity (Wireframes & Prototypes)
Detailed, polished, and closer to the end product. Useful for usability testing, developer handoff, and securing stakeholder buy-in. They may include accurate typography, images, and rich interactivity.
What is Prototyping?
While wireframes map structure, prototypes bring it to life. Prototyping creates interactive, testable models of a product that simulate the user experience before development begins. Whether simple or sophisticated, prototypes answer one critical question: Does this design work for users in practice?
Wireframing vs. Prototyping: How They Fit Together
Wireframes and prototypes aren’t competitors—they’re stages of the same continuum. A typical flow looks like this:
- Sketch ideas as low-fi wireframes.
- Refine layouts into higher fidelity wireframes.
- Translate wireframes into prototypes to simulate interactions.
- Test, learn, and iterate until the design is validated.