x1 is is a free word (word which can be freely inserted into or deleted from a sentence without making it ungrammatical), with meaning/function x2 in usage (language) x3
Marks an endpoint of a quote/string/expression and specifies that (relative to the original) the quote/string/expression so marked is complete, accurate, and well-portrayed by the quote/string/expression on the relevant side of the excerpt, including wrt all relevant information and when factoring in the content and context of the quotation-external discourse in which said quote/string/expression appears; indicator that quote mining or cherry-picking did not occur and that the excerpt which is quoted is not deceptive.
fills and deletes (in the manner as "{zi'o}") all terbri sumti slots of immediately previous (id est: tagged) word that are not explicitly filled with a sumti.
Adverbial, metacommentary-introducing, and complex discursive: I express this utterance/construct/(rest of the) bridi which has been tagged for the purpose or goal of enacting, causing, enabling, implementing, actualizing, manifesting, enhancing, yielding, or rendering applicable the immediately following and enclosed bridi or in order to make the immediately following and enclosed bridi be true (or closer to the truth or more true or more strongly true) in application to the utterance/construct/rest of the bridi which has been tagged by this marker; the tagged expression/construct is for the benefit or sake of making the immediately following and enclosed bridi true.