Transitional Point is a term used to describe a point in time or space that marks a change from one state to another. It is often used to refer to a moment of transition between two different stages or phases. The terms VERGE and CUSP are often used interchangeably with Transitional Point, as they all refer to a point of transition. VERGE is a five-letter word meaning the edge or brink of something, while CUSP is a four-letter word meaning the point of transition between two phases or states.