What is the meaning of polishing?

noun

• The work of making something smooth and shiny by rubbing or waxing it.
  • usage: "the shining of shoes provided a meager living"; "every Sunday he gave his car a good polishing"
  • synonyms: shining

verb

• Make (a surface) shine.
  • usage: "shine the silver, please"; "polish my shoes"
  • synonyms: polish, smooth, smoothen, shine
• Improve or perfect by pruning or polishing.
  • usage: "refine one's style of writing"
  • synonyms: polish, refine, fine-tune, down
• Bring to a highly developed, finished, or refined state.
  • usage: "polish your social manners"
  • synonyms: polish, round, round off, polish up, brush up