Lights are objects that simulate real lights such as household or office lamps, the light instruments used in stage and film work, and the sun itself. Different kinds of light objects cast light in different ways, emulating different kinds of real-world light sources.
Learn how to draw straight and curved vector paths using Photoshop's Pen and Freeform Pen tools.
Most of the drawing and editing of paths can be done via the tools under the Pen tool icon in the Tools palette. Click and hold the mouse button on this icon to bring up all the other tools: