functionality
functionality — noun
- functionalitysingular
- functionalitiesplural
1. the different tasks and operations that a computer system, software program, or
the different tasks and operations that a computer system, software program, or piece of electronic equipment can perform for its user.
Rohan showed his boss how the new search functionality could find old records in seconds.
search functionality + could find
The app's latest update adds voice control functionality that works even without an internet connection.
adds ... functionality
When testing the website, Nadia discovered useful functionality like automatic form filling.
The new camera has basic functionality such as zoom and auto-focus, but no flash mode.
Users can download extra functionality for the program through the settings menu.
- features
more concrete and countable; 'functionality' emphasises the collective operations
- capabilities
broader, can describe human or machine ability
- operations
more technical and mechanical; less common in everyday contexts
用法筆記
Often used in the plural (functionalities) in technical writing, though the uncountable singular is more common in everyday English.
常見錯誤
2. the quality of being practical and effective for the purpose that a product, sys
the quality of being practical and effective for the purpose that a product, system, or design was created to serve.
Hassan chose the simpler backpack for its functionality — it had everything he needed and nothing extra.
chose ... for its functionality
The furniture designer prioritised functionality over beauty, making chairs that were comfortable for long use.
prioritised functionality over beauty
Kwame tested the functionality of the kitchen layout and found everything easy to reach.
The jacket's functionality comes from its waterproof fabric and deep pockets, not its appearance.
- usability
more specific to how easy something is to use; 'functionality' is broader
- practicality
focuses on being sensible and convenient rather than theoretical
- utility
more formal; emphasises usefulness in a technical or economic sense
用法筆記
Common in product reviews, design critiques, and discussions of everyday objects. Frequently contrasts with 'appearance' or 'aesthetics' (e.g. 'functionality over form').