This is all wrong. The milk to espresso ratio is wrong on the latte. The Americano is not espresso first in cup. The milk to espresso ratio is wrong on the cappuccino. And a flat white is just Australian for latte.
Lab-inspired coffee The formula for a properly brewed cup of joe is: Temperature Grind size Time = Coffee. At the Portola Coffee Lab this formula is practiced on each cup using five methods: Japanese cold drip, Hario Siphon, Trifecta and Slay