Here is a document that was created to help with production in FCPX.
What is Final Cut Pro X used for? Nonlinear video editing! It expands on iMovie, allowing for more control over video and audio. This program is considered an industry standard.
Apple's professional and prosumer-level video editing software, Final Cut Pro X, treads a fine line between consumers who want more power for their video-editing projects than iMovie offers and professionals who create content for movies and TV. It does a remarkable job of bridging these two worlds, and though pros may complain about its nontraditional trackless timeline and amateurs may scratch their heads over some of its wealth of sophisticated options, it's a magnificent tool for both. -- PCMag.com