Which is a proper use of delay()

//if (name == "Mr. P") {

//  Serial.println("//I am the teacher");

//}

if (name == "Mr. P") {

  Serial.println("I am the teacher");

}

void loop() {

  int milliseconds = 5000;

  delay(milliseconds);

}

void setup() {

  Serial.begin(9600);

}