The term 'Brink or Threshold' can be summarized as the point of no return, or the edge of a situation. It is often used to describe a situation that is on the VERGE of becoming something else, such as a conflict or a crisis. The word 'VERGE' is a synonym for brink or threshold and is defined as the edge or border of something. It is often used to describe a situation that is close to happening or changing.