http://www.onstagelighting.co.uk/training-tutorials/vectorworks-spotlight-tutorial/ A series of basics tutorials on using Vectorworks Spotlight and drawing simple 2D stage lighting plans.
Part 5 of 6 covers adding lighting positions and lantern symbols to your drawing, including:
Switching Layers and Classes and changing the view options.
Drawing a 2D lighting bar using the Double Line tool
Creating a Symbol from the lighting bar drawing, to be used over again.
Inserting a Light Position object from the lighting bar symbol
Naming the Light Position
Adding stage lighting fixtures using the Vectorworks libraries
Duplicating lighting symbols using Mirror
Adding stage lighting data including gel colours, dimmer channel and purpose.
Marking up symbol data using Label Legend Manager
Using Number Instruments to automatically add incremental fixture data