What is the meaning of bring in?

verb

• Bring in a new person or object into a familiar environment.
  • usage: "He brought in a new judge"; "The new secretary introduced a nasty rumor"
  • synonyms: introduce
• Earn on some commercial or business transaction; earn as salary or wages.
  • usage: "How much do you make a month in your new job"; "She earns a lot in her new job"; "this merger brought in lots of money"; "He clears $5, 000 each month"
  • synonyms: gain, take in, clear, make, earn, realize, realise, pull in
• Be sold for a certain price.
  • usage: "The painting brought $10, 000"; "The old print fetched a high price at the auction"
  • synonyms: fetch, bring
• Submit (a verdict) to a court.
• Transmit.
  • usage: "The microphone brought in the sounds from the room next to mine"