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
A characteristic of tension headaches is that pain usually occurs on both sides of head and is in the form of a dull, steady ache. Cluster headaches are rare, extremely painful and debilitating headaches that occur in groups or clusters. They often appear during seasonal changes. They are also described as suicide headaches, a reference to the excruciating pain and resulting desperation that has sometimes culminated in actual suicide.