
Brow
Facial Focus
When talking about the human face, 'brow' refers to the area most people consider their forehead. 
Emotion Indicator
'Brow' can signify emotional states; a 'furrowed' brow often indicates worry or concentration. 
Body Language
In descriptions of body language, 'brow' is used to show reactions like surprise by using terms like 'raised brow'. 