A low-context culture is one where

The low context culture is one where most of the information is stated explicitly in the verbal message.

Meaning is carried in clear words rather than left for the listener to infer.

Saying most information is unspoken describes a high context culture, the opposite pattern.

Claiming meaning comes mainly from the setting again fits high context, not low context.

The idea that most information is non-existent is simply not a feature of any culture type.

Low context societies value directness, precision and clearly worded messages.