What is the meaning of pedagogy?

noun

• The principles and methods of instruction.
  • synonyms: teaching method, pedagogics
• The profession of a teacher.
  • usage: "he prepared for teaching while still in college"; "pedagogy is recognized as an important profession"
  • synonyms: teaching, instruction
• The activities of educating or instructing; activities that impart knowledge or skill.
  • usage: "he received no formal education"; "our instruction was carefully programmed"; "good classroom teaching is seldom rewarded"
  • synonyms: education, instruction, teaching, didactics, educational activity