#headache__concern__worry__vexation something or someone that causes anxiety; a source of unhappiness; "New York traffic is a constant concern"; "it's a major worry"
subtype: bugaboo onus business.headache
supertype: negative_stimulus a stimulus with undesirable consequences
supertype: stimulus__stimulation__stimulant__input any stimulating information or event; acts to arouse action
supertype: information knowledge acquired through study or experience or instruction
supertype: thing_that_can_be_seen_as_a_relation usable as relation type
supertype: thing_playing_some_role category to classify things according to roles/viewpoints; classification under this category is application-dependant
supertype: thing__something___T__t___3D_or_4D_thing_or_anything_else any category (type or individual) is instance of this type; any type is also a subtype of this type
No statement uses or specializes headache; click here to add one.