Create stacks on dock and rename category in `Lauchpad` How can I create icon stacks on dock? For example, I want stack the icons of Word, Excel, and Powerpoint.

Next is can I rename an application category in Lauchpad?

When I drag &amp; drop an application icon onto another, a new category will be created named Production(or Product? I can't remember exactly, and no Macs at hand currently). I want to rename the category to something meaningful.
You can rename a category by opening it and clicking the title:



Stacks are just folders. Put aliases to a folder and then drag it to the Dock: