What is the difference between a migraine and a headache?

Associated symptoms: Migraines are a particular type of headache. A typical migraine is characterized by throbbing pain on one side of the head, associated with nausea and sensitivity to light, worse with activity and better with rest. They are sometimes, but not always, preceded by an aura (e.g. Flashing lights in the vision). Some migraines are accompanied by focal symptoms and look very much like a stroke.

Type: Headache means pain in head. There are many types of headache, migraine is ine type which has characteristic presentation, tension headache, cluster headache, sinus headache etc.