TypeWhat the maker doesResult
GreenHeats the leaf early to stop the enzymesGreen leaf, fresh cup
WhiteWithers and dries with minimal handlingPale, soft, sweet cup
OolongBruises, oxidises part-way, then heatsWide range of styles
BlackRolls and lets oxidation run onDark leaf, malty cup
Simplified: regional methods differ, and many teas have their own steps.