application
This word carries a sense of purposeful direction. Whether it is a piece of software or a job request, it describes the act of taking a general capability or desire and directing it toward a specific, concrete target. In professional settings, it is a neutral, administrative term. However, when referring to personal effort, it takes on a positive, disciplined connotation, suggesting a level of focus that goes beyond mere effort to include persistence and methodical work.
Countable when referring to a specific request form or a software program. Uncountable when referring to the general act of putting a theory into practice or the quality of being hardworking.
Meanings
A formal request to an authority for a job, a place at a college, or a loan.
"He submitted his application for the scholarship."
A program or piece of software designed to perform a specific task.
"The mobile application allows users to track their fitness."