ما الفرق بين break & return عند استخدامهم ضمن دالة

لماذا لم يقم بعمل break , وكتب return

if (answer == "Y") {
	continue;
}
else if (answer == "N") {
	return;
}
else
{
	return;
}

الشيفرة كاملة

class Program
{
  static void Main(string[] args)
  {

    while (true)
    {

      Random random = new Random();

      int correctNumber = random.Next(1, 10);

      int guess = 0;

      Console.WriteLine("Guess a number between 1 and 10");

      while (guess != correctNumber)
      {
        string input = Console.ReadLine();

        if (!int.TryParse(input, out guess))
        {
          Console.WriteLine("Please use an actual number");

          continue;
        }

        // Cast to int and put in guess
        guess = Int32.Parse(input);

        // Match guess to correct number
        if (guess != correctNumber)
        {
          // Print error message
          PrintColorMessage(ConsoleColor.Red, "Wrong number, please try again");
        }
      }

      // Print success message
      PrintColorMessage(ConsoleColor.Yellow, "CORRECT!! You guessed it!");

      // Ask to play again
      Console.WriteLine("Play Again? [Y or N]");

      // Get answer
      string answer = Console.ReadLine().ToUpper();

      if (answer == "Y") {
        continue;
      }
      else if (answer == "N") {
        return;
      }
      else
      {
        return;
      }
    }           

  }


}