I suppose it means "scales" as in "changes size proportionally".
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.
GPYI think it refers to the number of people that the communication reaches.My thoughts exactly. What you say to three people at an informal gathering may have the same information content as what you say to a class of students or as what you say to a lecture hall full of congressmen, but can you say it in the same words? Sometimes, maybe; sometimes, not.