Defining behavior for interaction design

Interaction design isn't about the behavior of the interface or a device;…it's about the behavior of people.…It's not just about motions, transitions, and animation. These are helpful for…attracting attention, making associations, and providing structure, but once…we have their attention, how do we help them complete their tasks, or solve their problems?…What should they do?…First, let's define what we mean by interactions.…We're referring to what people are doing while using a device or interface.…

We need to use an operational definition, that is, a definition based on what…we're able to objectively observe and measure.…We can operationally define interactions in terms of what people do, such as…click, tap, and gesture.…Our tools or devices like phones, tablets, and gaming devices, and since these…are physical devices, our work may include ergonomics, human factors,…industrial design, and technology to expand and broaden the design process…beyond the digital interface.…

However, digital interfaces are really about interacting with information.…