application
/aplɪˈkeɪʃ(ə)n/noun
A piece of software that a user treats as one tool designed for a specific purpose.
Example sentences
- “I installed a banking application on my phone.”
- “This photo-editing application runs smoothly even on older computers.”
The software sense is now usually clipped to "app". The word also keeps its older senses: a job application, the application of a rule.