The most commonly grown beans are the green, or snap, bean and the yellow, or wax, bean, which is a variety of the green bean.
Zero (real name David Oh, and formerly known as O, Major Tom, Major Zero and Cipher) was the original commander of CIA Special Forces Unit FOX (Force Operation X). After Zero became a founding member of the Patriots along with Big Boss, the two friends would later develop a bitter enmity.
Unimatrix Zero is a virtual world where drones can exist free of the Borg collective and free of their biomechanical and cortical implants. Seven of Nine visits there and Janeway sees an opportunity to disrupt the Borg even if it means the destruction of Unimatix Zero.