Shader: Allows you to specify the type of light you want the selected light to be (Ambient light, Area light, Distant light, Point light, Spot light, Water light, Window light).
Color: Allows you to modify the color values for the currently selected light.
Intensity: Allows you to set the brightness for the currently selected light.
Cone Angle: Specifies the "width" of the Lights "beam" if it is a Spotlight.
Cone Falloff: Specifies how narrow the "focus" of the Light is within its Cone Angle if it is a Spotlight.
Cast Shadows: Toggles whether the selected light cast a shadow or not.
Target: Selects an existing Target for
this Light to track, or creates a new Target.
Heading (X), Pitch(Y), Bank(Z): Controls the heading, pitch, and
bank of this Light, relative to the Lights User Heading, and, if applicable, the
Target its tracking.