A [b]central angle [/b]is an angle that originates from the center of a circle.

An [b]inscribed angle[/b] in a circle is an angle in a circle where the vertex is on the circle and its sides are chords.

A [b]secant[/b] is a line that intersects a circle at two points. Look at the following image displaying the intersection of [b]two secants inside a circle.[/b]