Got it. I can delete things, but as soon as I move them in the floor plan, they come back. Oh well, I just went ahead and got Sketchup, so I'll use that instead. Thanks for taking the time to answer, Chopsaw!
I have imported several SKP files which have several models/components in the one SKP file. I can use them in my plans just fine - they rotate, etc. However, I cannot find a process to extract individual models/components for use. For example, I imported a SKP that has three individual pendant lights, but I only want one of those lights. I am using CA X8. Thanks!