HCD Guide Series

Design concepts guide

Select methods for designing products, services, and systems
A woman sits on top of a lightbulb surrounded by gears, graphs, and computers

Designed things

This section provides an overview of products, services, and systems

Reading time: 3 minutes

It’s easy to believe that the thing a design team makes is, in fact, the “design." However, it’s actually a physical expression of the nuanced, well-informed, and carefully constructed design ideas that the team has formed through the process of discovery and design. In other words, it’s exciting to create a new thing based on your research, and to test that thing with participants, and launch it into the world, but that thing must adhere to needs found in discovery, and be constrained by the opportunities found during synthesis.

An illustration uses the concept of a lens to show how Human Centered Design can filter insights into opportunities. ‘Insights’ pass through the lens and become differently shaped projects on the other side, in the same way that a lens or crystal can break white light into a spectrum of color.

This is a process illustration of turning insights into opportunities. The illustration uses tangrams to show how each opportunity can be developed into multiple iterations. Tangrams are dissection puzzles consisting of seven flat shapes, called tans, which are put together to form shapes. Since a tangram puzzle allows us to create many shapes out of the same component parts, they represent a useful parallel to solving a design problem. If these tangram puzzles were actual design solutions, they would reflect the similarities of their origins while illustrating the process of iterating on ideas.

Whatever opportunities your team identified, you will most likely design a product, service, or system as the expression of your design ideas. Drawing from those ideas, defining what item you will design, or what items to design in what order, is a crucial decision. To help you parse your options, this section provides a broad outline of the ways in which products, services, and systems differ. It also highlights a few of the points at which products and services specifically are dependent upon each other, and where and how the two might intertwine.

The National Archives provides some useful guidelines for differentiating between product and service from the viewpoint of the participant (or client, in their wording):

One way to think of [products and services] is from the clients’ point of view. When a client asks “what can you make for me?” they are asking about products; when a client asks “what can you do for me?” they are asking about services. While a product is something that can be measured and counted, a service is less concrete and is the result of the application of skills and expertise towards an identified need.Defining Key Concepts: Products vs. Services, National Archives

As you read through this section, consider your opportunities through the lens of “product versus service versus system.” Do some of them speak to being expressed as one of these designed things? Might some of their possible designed outcomes be a combination? Is it still unclear for some?