An authentication server could be considered a single point of failure within a single sign-on implementation.
A point in geometry is an area. It has no length i.e. no width, no period, and no depth. A factor is shown with the aid of a dot. A line is defined as a line of factors that extends infinitely in two directions.
A point is an item that has no duration or width. it also includes represented by a point. A line is an item that extends without end in each direction. it is also drawn with arrowheads to expose that it goes on forever. A line segment is a part of a line with give-up factors.
Of natural rights life,liberty,and property. People had the right to overthrow their government if it wasn't doing its job of preserving people's natural rights.