Systems
Frontend
Plain English
The part users see and use.
Definition
The frontend is the part of a glossarySystemA system is a collection of interconnected components that work together to achieve a specific function or outcome.Open glossary term that users interact with directly, including glossaryInterfaceAn interface is the point of interaction between a user and a system, where inputs are made and outputs are received. It can be visual, physical, or conversational.Open glossary term and visual elements.
In practice
Includes serviceUser Interface DesignCreate clearer interfaces, stronger visual hierarchy, and more consistent product UI without adding unnecessary complexity.Open service, glossaryInteractionInteraction refers to any action a user takes within a product and how the system responds. It includes clicks, taps, gestures, and inputs that drive the user experience.Open glossary term, and client-side logic in web or mobile applications.
The reality
Frontend quality is often judged instantly by users, making it highly visible but dependent on glossaryBackendThe backend is the part of a system that handles data processing, logic, and server-side operations.Open glossary term glossaryPerformancePerformance refers to how quickly and efficiently a system responds to user actions and processes tasks.Open glossary term.
FAQ
Common questions
A few practical answers to the questions that usually come up around this term.
What is the frontend?
It is the user-facing part of an application.
What does the frontend include?
serviceUser Interface DesignCreate clearer interfaces, stronger visual hierarchy, and more consistent product UI without adding unnecessary complexity.Open service, glossaryLayoutLayout is the arrangement of elements on a page or screen, determining how content is organised and presented. It influences readability, usability, and overall experience.Open glossary term, and user glossaryInteractionInteraction refers to any action a user takes within a product and how the system responds. It includes clicks, taps, gestures, and inputs that drive the user experience.Open glossary term.
Why is frontend important?
It directly affects glossaryUser Experience (UX)User Experience (UX) refers to the overall experience a person has when interacting with a product, including usability, accessibility, and how it feels to use. It focuses on making products useful, usable, and enjoyable.Open glossary term and perception.
What technologies are used in frontend?
HTML, CSS, JavaScript, and glossaryFrameworkA framework is a structured set of tools and conventions used to build applications more efficiently.Open glossary term.
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