Definition: A perceived change in some function, sensation or appearance of a person that indicates a disease or disorder, such as fever, headache or rash.

Alright class, settle down now, let’s take a look and see, At the word "symptoms," it's quite key! The dictionary tells us, clear and bright, It’s about changes that we might sight. Think of it like this, a little rhyme, A “symptom” is a signal, marking time. It’s when your body or mind gives a clue, That something isn't quite right, it’s true! Like fever, a heat that burns so high, Or headaches throbbing beneath the sky. A rash appearing, red and small, These are all symptoms, answering the call. Essentially, it's a perceived change you see, Showing something’s different – for you and me! It points to a disease or disorder too, A signal that needs attention, through and through. Now, do you understand this concept well? Any questions you might tell?