What is the meaning of modelling?

noun

• A preliminary sculpture in wax or clay from which a finished work can be copied.
  • synonyms: modeling, molding, moulding
• The act of representing something (usually on a smaller scale.
  • synonyms: model, modeling

verb

• Plan or create according to a model or models.
  • synonyms: model, pattern
• Form in clay, wax, etc.
  • usage: "model a head with clay"
  • synonyms: model, mold, mould
• Assume a posture as for artistic purposes.
  • usage: "We don't know the woman who posed for Leonardo so often"
  • synonyms: model, pose, sit, posture
• Display (clothes) as a mannequin.
  • usage: "model the latest fashion"
  • synonyms: model
• Create a representation or model of.
  • usage: "The pilots are trained in conditions simulating high-altitude flights"
  • synonyms: model, simulate
• Construct a model of.
  • usage: "model an airplane"
  • synonyms: model, mock up