Interaction Design

Interaction design, or interaction design, the design activities of interaction that occurs between human beings and mechanical and computer systems. It 'a discipline that belongs to the research,' "man machine interaction (HCI). Fundamental purpose of the interaction design is to make possible and facilitate for a maximum of one human being use and interaction with machines (mechanical and digital), and use of services and complex systems so fruitful and satisfactory.One of the main design goals is to make machines, services and systems usable by users for which they were designed and implemented.

Principles of usability and experience of use

Power in the process of Interaction design goals or principles of usability - efficiency, effectiveness, safety, utility and ease of learning and memory of how to use - made operational through compliance with specific criteria. To design interactive products usable it is necessary to take into account who will use and the context in which they are used. It is also important to understand the kind of activities that users play in interaction with those products. The possibility of designing interactive systems entertaining, enjoyable and aesthetically pleasing is linked to the characteristics of the profile, that is the way in which users live interaction with the system. The objectives related to the use differ from the most objective usability targets, because the first concern of how subjective user experience of interaction with a certain product, while the second has to do with the measurement what that product is useful or productive.