Definition: A pointer or index that indicates something.
Alright class, settle down, let’s take a look! You’ve got a great start, reading the dictionary with glee, It tells us “indicator” is quite simple to see. “A pointer or index,” it does say, To show you something along the way! Think of a road sign, bright and bold, Telling you where stories unfold. Or a thermometer, showing heat’s rise, An indicator helps us recognize! It's like a little signal, clear and true, Pointing out what’s happening for you! So an ‘indicator,’ my dears, it’s quite plain, Just shows you something – again and again! Do you have any questions about this concept, class? Let's discuss!