Star Wars: The Force Awakens

Guide to the 'Star Wars' galaxy

Guide to the 'Star Wars' galaxy

With film's most venerable space opera about to start bringing new stories to the big screen at the planned rate of one per year, beginning with tonight's opening of "Star Wars: The Force Awakens," the time seemed right for an updated guide to the galactic saga created by George Lucas.

"A long time ago in a galaxy far, far away ...": The first words that appear onscreen in every live-action "Star Wars" film, always in blue text.

AT-AT is the common shorthand for All Terrain Armored Transport, a four-legged Imperial vehicle used in the Battle of Hoth in "The Empire Strikes...