Symptom - Simple English Wikipedia, the free encyclopedia

Pain is a symptom, and red color is a sign, of a skin burn. Feeling sick is a symptom, and vomiting and diarrhea are signs, of food poisoning, cholera and other causes. Pain in the chest is a symptom, and cyanosis (blue color of skin) is a sign, of heart disease. Headaches, aching muscles, and nausea are symptoms of influenza.

Source: simple.wikipedia.org