There's a fair amount to unpack in that definition. First, interdependence. If there is no interdependence between parties,there is not a conflict - it would be something else such as a competition, an argument*, or a contest, for instance.
Headache Location. Headache refers to different locations of discomfort or pain in the head. Generalized headache is pain felt on the entire head, patients describe this headache as halo type around the head or a band running around the head. There are some cases that the exact location of the headache is difficult to identify. But, how about the other location of the headaches mean? Front of the head : Tension headache; Eye strain
(mÄ«'grÄn') A severe recurring headache, usually affecting only one side of the head, that is characterized by sharp, throbbing pain and is often accompanied by nausea, vomiting, sensitivity to light, and visual disturbances. Vasodilation in the brain causes inflammation that results in pain, but the exact cause of migraine is unknown.