What are the different divisions of vegetable gardening?

Question:

Answers:
Vegetables can be divided into groups by characteristics such as: leaves (lettuce), stems (asparagus), roots (carrots), flowers (broccoli), bulbs (garlic), seeds (peas and beans) and botanical fruits such as cucumbers, squash, pumpkins, and capsicums.

Another division could be: Western brassicas (broccoli), Asian brassicas (Bok Choi), Leafy and salad vegetables (lettuce), Fruiting and flowering vegetables (cucumber), Podded vegetables (peas), Bulb and stem vegetables
(asparagus), Root and tuberous vegetables (carrot) and Sea vegetables (sea grape).

They can also be divided by frost/cold hardiness: Very hardy (leaf lettuce), frost tolerant (carrot), tender (sweet corn) or warm loving (cucumber).