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
Headache (Definition) The medical term is cephalalgia. It is a feeling of pain that can occur on either both sides or just one side of the head or neck. Headaches can be sharp, dull, or throbbing, and can radiate to different areas of the head. They typically last less than an hour but can last for several days.