A human-computer-interaction concept that represents the ratio of relevant to irrelevant information. The terms "signal" and "noise" refer to anything that user has to process when using a system. To help users complete their tasks and improve the efficiency of communication through your design, you should aim for a high-signal-to-noise ratio. Every extra unit of information competes with the relevant information and diminishes the visibility of this important info to the user.

Design Implications:

• It's important to prioritize your system's content and features and strive to only include things that are absolutely necessary.
• Features that might be used less often could be candidate for removal.
• All visuals should have a functional purpose, afford their use, support the primary goal of your users.
• "Communicate, don't decorate."