Write to me at
martin@uxlexicon.com
Copyright © 2026 UXlexicon.
All rights reserved.
User Experience (UX) and User Interface (UI) are at the heart of creating meaningful digital interactions. UX design considers how a product feels to the user, while UI design focuses on how the product is laid out visually. Both are pivotal to building effective, user-friendly products. On this page, delve into the world of UX/UI–learn about their principles, differences, intersection, and how to harness them to create compelling user experiences.
Customer Experience
/ˈkʌstəmər ɪkˈspɪəriəns/
The entirety of interactions a customer has with a company.
Similar
Persona
/pərˈsoʊnə/
Fictional characters created to represent different user types that might use a product/service in a similar way.
Similar
Usability heuristics
/ˌjuːzəˈbɪlɪti hjʊəˈrɪstɪks/
A set of ten broad principles for interaction design, defined by Jakob Nielsen, used to spot usability problems in a user interface.
Similar
User Experience
/ˈjuːzər ɪkˈspɪəriəns/
The overall experience a user has with a product, system, or service, including its ease of use and how pleasing it is to use.
Similar
User Interface
/ˈjuːzər ˈɪntərfeɪs/
The series of screens, pages, buttons, and other visual elements that enable a person to interact with a product or service.
Similar
User flow
/ˈjuːzər floʊ/
A representation of the path a user can follow, either linear or non-linear, to complete a task within a product.
Similar
User pain points
/ˈjuːzər peɪn pɔɪnts/
The issues that users encounter that prevent them from accomplishing their goals with a product.