What is the meaning of tacking?

noun

• A loose temporary sewing stitch to hold layers of fabric together.
  • synonyms: baste, basting, basting stitch
• Nautical) the act of changing tack.
  • synonyms: tack

verb

• Fasten with tacks.
  • usage: "tack the notice on the board"
  • synonyms: tack
• Turn into the wind.
  • usage: "The sailors decided to tack the boat"; "The boat tacked"
  • synonyms: tack, wear round
• Create by putting components or members together.
  • usage: "She pieced a quilt"; "He tacked together some verses"; "They set up a committee"
  • synonyms: assemble, piece, put together, set up, tack, tack together
• Sew together loosely, with large stitches.
  • usage: "baste a hem"
  • synonyms: baste, tack
• Fix to; attach.
  • usage: "append a charm to the necklace"
  • synonyms: append, tag on, tack on, tack, hang on
• Reverse (a direction, attitude, or course of action. ).
  • synonyms: interchange, tack, switch, alternate, flip, flip-flop