What is the meaning of application?

noun

• The act of bringing something to bear; using it for a particular purpose.
  • usage: "he advocated the application of statistics to the problem"; "a novel application of electronics to medical diagnosis"
  • synonyms: practical application
• A verbal or written request for assistance or employment or admission to a school.
  • usage: "December 31 is the deadline for applications"
• The work of applying something.
  • usage: "the doctor prescribed a topical application of iodine"; "a complete bleach requires several applications"; "the surface was ready for a coating of paint";
  • synonyms: coating, covering
• A program that gives a computer instructions that provide the user with tools to accomplish a task.
  • usage: "he has tried several different word processing applications"
  • synonyms: application program, applications programme
• Liquid preparation having a soothing or antiseptic or medicinal action when applied to the skin.
  • usage: "a lotion for dry skin"
  • synonyms: lotion
• A diligent effort.
  • usage: "it is a job requiring serious application"
  • synonyms: diligence
• The action of putting something into operation.
  • usage: "the application of maximum thrust"; "massage has far-reaching medical applications"; "the application of indexes to tables of data"