Definition: A reciprocal, parallel or complementary relationship between two or more comparable objects.

Alright class, settle down, let’s take a look, At a tricky word – “correlation,” hook-hook! That dictionary definition, it’s quite a show, "Reciprocal, parallel, and complementary too!" Let's break it down, nice and slow, To really understand the way things flow. Correlation simply means this, you see, A connection between things – for you and me! Think of it like this: let’s say ice cream sales, And sunny days – those two always prevails! When the sun is bright, a warm delight, More ice cream's bought with all its might. That's correlation - they move as one, A pattern noticed, when the day is done. “Reciprocal” means they go back and forth, Like if you study hard, your grades will be worth! "Parallel" shows they travel side by side, Like rising temperatures – nowhere to hide! And “complementary” suggests a pair, Like coffee and cake - beyond compare! So remember this, don’t feel dismayed, Correlation is about relationships displayed. It doesn't mean one causes the other, mind you, Just that they tend to move in a similar view! Now, who can give me an example of correlation today? Raise your hand and let’s play!