application (EN)
noun

noun “application”

sg. application, pl. applications or uncountable
  1. the act of putting something to use, especially ideas or discoveries
    The application of solar energy in remote areas has significantly improved living conditions.
  2. the act of putting something on a surface or object
    The careful application of paint to the canvas brought the artist's vision to life.
  3. a request for a job, place in a school, or participation in a program
    She filled out an application for the summer internship program.
  4. a computer program designed for a specific task or use
    The new photo editing application lets you retouch images with just a few taps on your smartphone.
  5. the process of using a mathematical function on a specific input to get a result
    For f(x) = 2x, the application of f to 3 gives us 6.