What definition is being dynamically illustrated here? [br]State the term whose definition is being illustrated, and provide a clear and specific definition for this term.
Definition of a [b][color=#000000]PARABOLA[/color][/b]. [br][br]A parabola is a locus (set) of points in the plane that are [color=#980000][b]equidistant[/b][/color] from [b][color=#1e84cc]a given point (called the focus)[/color] [/b]and [b]a given line (called the directrix.) [/b]