If Poser, this also includes a video on how to customize them (and which are what) :D Hope this helps and is okay with staff, my posting shortcut web pages in these forums :)

http://blog.smithmicro.com/quick-poser-tip-customizable-keyboard-shortcuts

I looked for D/S shortcuts but only found a page with Hexagon shortcuts. There are lots of forum web pages talking about them though...

The dust settled, thinking "what a fine home, at least for now" not realizing that doom would soon be coming in the form of a vacuum cleaner.