What kinds? Not "Which kinds". Which is closed. Limited amount
   of choices. Not "How Many kinds". How Many wants a number.* I
   don't always want a number. What kinds? What kinds of actions do
   I need to take in order to accomplish my goal? [Depends on the
   goal]. What kinds of symbols best work with quantities in order
   to talk about things that are similar?* [numbers often work
   well]. What Kinds? is an open question.*** What is more infinite
   than infinity.* What is always an Open Set, even if the things
   within are Closed Sets or other Open Sets. Kinds are types.*
   Categories.* Specificity.* Options.* Possibilities. with "What
   kinds?" the possibilities have no bounds. How do you answer?*
   Usually, with a name, even if it's "It".