What is the meaning of moving in?

noun

• The act of occupying or taking possession of a building.
  • usage: "occupation of a building without a certificate of occupancy is illegal"
  • synonyms: occupation, occupancy

verb

• Occupy a place.
  • usage: "The crowds are moving in"
  • synonyms: move in
• Of trains; move into (a station. )
  • usage: "The bullet train drew into Tokyo Station"
  • synonyms: pull in, get in, move in, draw in
• Move into a new house or office.
  • synonyms: move in