What is the meaning of procedure?

noun

• A particular course of action intended to achieve a result.
  • usage: "the procedure of obtaining a driver's license"; "it was a process of trial and error"
  • synonyms: process
• A process or series of acts especially of a practical or mechanical nature involved in a particular form of work.
  • usage: "the operations in building a house"; "certain machine tool operations"
  • synonyms: operation
• A set sequence of steps, part of larger computer program.
  • synonyms: routine, subroutine, subprogram, function
• A mode of conducting legal and parliamentary proceedings. .