Formal language or slang
Numerals must be underscored to mesh with its 1000 times counterparts.
Mow is indicated above. Mow is used when the speaker wishes to transition from a formal language into a informal register (slang). M, B, P, & W, will also play their respective roles in this hypothetical scheme. 1700s English is not 2000s contemporary English. Mow is going to provide dynamic signals as words change and as Nosov evolves.