When designing a new product, it is a good strategy to think about how people think when using it, since design is not only about the way a product looks aesthetically, but also about the entire experience of using a product or service.

It is important to keep in mind that user experience goes beyond what is commonly assumed, as it is also part of an overall product design strategy and can therefore be highly beneficial to a project.

When discussing these concepts, three disciplines come into play: UI Design (User Interface Design), UX Design (User Experience Design), and IxD (Interaction Design).

UI Design, or User Interface Design, focuses on all the visual and physical elements with which a person interacts when using a device.

One of the most recognized figures in the field of UI is Jakob Nielsen. In 1995, he developed a set of basic principles aimed at improving usability.

On the other hand, the term UX refers to what a person experiences while using a product or device. This can involve all kinds of feelings, such as frustration when not knowing how to use a device, or satisfaction when being able to perform a desired action quickly without having to think too much to complete a task.

According to Norman (1990), "user experience encompasses all aspects of the end user's interaction with the company, its services, and its products."

Finally, Interaction Design, also known as IxD, refers to the discipline specifically focused on what is generated when contact occurs between the user and the device.

According to the Interaction Design Association (2003), "interaction is understood as the communication, action, relationship, or reciprocal influence between the user and the product to achieve a goal within a specific context."

However, it is important to take advantage of established conventions so that users do not have to think too much to use a product.

At the same time, there may be situations in which improvements can be made, but it is always necessary to consider the cost involved. For this reason, it is important to evaluate whether a proposed improvement is truly worthwhile or whether it is simply a superficial change that does not provide any significant benefit.

When thinking about user experience, it is important to consider the context and the conditions under which a product will be used in order to create a design that makes performing tasks as easy as possible. As a result, the overall user experience can become more pleasant and satisfying.

As a recap, UI Design focuses on the device itself, UX Design focuses on the user, and Interaction Design (IxD) focuses on what is generated through the combination of both elements. In other words, it concentrates on what happens when interaction occurs between the user and the device.

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