A language is a system for manipulating symbols and signs so that the group using the symbols can communicate with some degree of success. Grammar is distinct from vocabulary.
A published grammar may attempt to map the rules; a published dictionary may attempt to map individuated symbols as words, phrases ...
Each user within the group will have shis own ideolect: individuated grammar and vocabulary. He says "ain't"; she doesn't. Barbara means no by "no"; Susan means yes; no one can figure out what Gertrude means. When Shakespeare uses a term it's a fair bet that his meaning matches the average; when Shakespeare's Dogberry uses a term, you have to use the context to guess the meaning. And it's not just Shakespeare or Dogberry: "propagating allegories on the banks of the Nile."
Any family will have its own vocabulary (and to some extent its own grammar). I can't imagine any dialogue between pk and bk to be more than fractionally intelligible to any bystander. But, the more of it they hear, the more of it they may guess at (and, if they ask, we'll probably explain: at length). When Newton talked of gravity he did not mean what his neighbors meant. When Einstein talked of gravity he did not mean what Newton meant. When M theorists talk of gravity they do not mean what Einstein meant.
That series suggests a positive progression of ideas. Sometimes we do get somewhere; but it's not guaranteed. Sometimes we fall into chaos. pk tries to be progressive: sometimes; but negative progressions are not unfamiliar to me.
pk's domains mix Standard Written English with pk ideolect in varying degrees. Macroinformation.org is the closest to the former, but, introducing new ideas, new syntheses, MUST depart from some standards, hopefully superceding them. Knatz.com indulges in much more of the latter; but: pk labors to explain his symbols, especially where he is aware that they will NOT be found in dictionaries or encyclopedias.
Today it occurs to me to launch a new section at Knatz.com labeling and explaining pk symbols: one at a time. Time will tell how far I get, how well I do. (In sixty-six years, the bulk of which have been devoted to communication, some persons have sometimes understood somewhat of what I say; though never enough to form a quorum.
I intend to use my Iona Arc blog to initiate some of these exegeses, maturing them at K.
There. Right there. K.: an abbreviation of kdot: which is an abbreviation of Knatz.com: as mi is an abbreviation of macroinformation, as Mi is an abbreviation of Macroinformation.org, as PIm is an abbreviation of PKImaging.com (as FLEX is an abbreviation for the Free Learning Exchange, Inc.) (as the Free Learning Exchange is a symbol for the never-yet-realized collection and regurging of all public information: uncensored, unselected, unmanaged: without licenses).
2005 02 19 I note that I've now launched posts on Jesus, God, and Cain & Abel: all familiar Knatz.com / pk symbols. They're all biblical: in origin, if not in how I use them. But the visitor to pk domains should recognize that that's one of several sets of basic symbols. Similarly important if not more important are my symbols from science: and note that I use them too as metaphor: homeostasis, semiotics, extension, information, potential difference ...
2005 07 05 I'll organize and develop these symbol maps further in my Teaching directory at Knatz.com: pk Symbols.