What is the meaning of transform?

verb

• Subject to a mathematical transformation.
• Change or alter in form, appearance, or nature.
  • usage: "This experience transformed her completely"; "She transformed the clay into a beautiful sculpture"; "transubstantiate one element into another"
  • synonyms: transmute, transubstantiate
• Change in outward structure or looks.
  • usage: "He transformed into a monster"; "The salesman metamorphosed into an ugly beetle"
  • synonyms: transmute, metamorphose
• Change from one form or medium into another.
  • usage: "Braque translated collage into oil"
  • synonyms: translate
• Convert (one form of energy) to another.
  • usage: "transform energy to light"
• Change (a bacterial cell) into a genetically distinct cell by the introduction of DNA from another cell of the same or closely related species.
• Increase or decrease (an alternating current or voltage. ).