I don't have examples for the first, but I guess you mean
about that will share ideas about what and why.
Authoring tool. To extend functionality or avoid repetitive tasks.
I have one command extension for example that takes a drawing done
in the authoring tool on stage and converts it to actionscript
drawing commands. So it only works with the flash authoring tool...
I did a quick google search there's a portion of this page with a