On gloss:

zo si si zei fa'o in sense "lojban zmavo"
x1 is a nonsense zei-lujvo using parts x2, silly by standard x3.

On grammatical class:

quote next word only; quotes a single Lojban word (not a cmavo compound or tanru).
Quotes a word; the result is a pro-sumti for the most recent utterance containing that word.
selma'o quote; quotes a word (a cmavo) and uses it to name a selma'o.
Like "ma'oi" but outputs the officially-designated/canonical sub-selma'o (if any) to which the immediately following and quoted word (cmavo) belongs, otherwise outputting the whole relevant selma'o in fashion equivalent to "ma'oi".
quotes a single non-meaning name in lojban (Must be lojban text and sounds) delimited by pauses

In definition:

x1 (la'e zo BY/word-bu) is a letter/digit/symbol in alphabet/character-set x2 representing x3.
le1=lo1 (la'e zo BY/word-bu) is a letter/digit/symbol of Lojban’s alphabet representing le3
x1 (si'o / proposed-or-existing cmavo) deserves a monosyllabic cmavo x2, even though language x3 (default Lojban) is running out of cmavo space, because of letteral-manipulation cmavo x4 and other-rarely-used cmavo x5, and it must have that monosyllabic cmavo at time x6 (default: lo ca'abna), [insert expletive x7 (default zo mabla)] it!
x1 is the place structure of predicate relation x2 (n-ary ka, me'ei, or la'e zo)
x1 (letteral: la'e zo BY/word-bu) is a hyphen/joining letter(al) in language x2 with function in/context of use/with rules for use/with properties x3, joining prefixed unit/lexeme/morpheme/string x4 (quote) to postfixed unit/lexeme/morpheme/string x5 (quote) in construct (full word) x6 (quote)
l1 (la'e zo BY/word-bu) is a hand sign in character-set of sign language/system of manual communicationl2 representing l3 performed by hand(s) x1.
xl1 (la'e zo BY/word-bu) is a fingerspelling sign in character-set of sign language/system of manual communication xl2 representing letter/digit/symbol xl3=l1 in written alphabet/character-set xl2 performed by hand(s) xl4.
x1 is the selma'o "ZO".
x1 (la'e zo BY/word-bu) is a capital/capitalised/upper-shift letter/digit/symbol in alphabet/character-set x2 representing x3.
x1 (la'e zo BY/word-bu) is a lower-case letter/digit/symbol in alphabet/character-set x2 representing x3.
x1 [mass/sequence] plays the Lojban word chaining game (vlalinkei) with ruleset x2 and winner x3 with resulting sentence x4 against world champion x6 for fabulous cash prize x7 and endorsement deal(s) x8 groupies x9 (except they probably go earlier), played at time x10 at location x11 and honorific title x12 breaking record(s) x13 with mindless spectators x14 taking time x15 [amount] containing most frequently used word x16 (zo) and not using perfectly good words x17 (zo) displaying new strategy/trick x18 supervised by x19 with referee x20 and used message transmission system x21 time limit per move x22 shortest move of the game x23 broadcast on TV network(s) x24 with Neilson ratings x25 supplanting previously most watched show x26 winning new fans x27 who formerly played x28 which is inferior for reasons x29 by standard x30 with banned words x31 with words winning additional points x32 with climax of suspense x33 and best comeback x34
ga'e zei lerfu
x1 (la'e zo BY/word-bu) is a capital/capitalised/upper-shift letter/digit/symbol in alphabet/character-set x2 representing x3.
to'a zei lerfu
x1 (la'e zo BY/word-bu) is a lower-case letter/digit/symbol in alphabet/character-set x2 representing x3.

In notes:

x1 is/are the latest, most forward in time among x2
x1=v1=k1 is a word/quotation crossing other words/quotations, meaning/defined by x2=v2, located at x3=k3
x1 is/are the earliest, most ancient among x2
x1 is a gismu created to resemble cmavo x2 in such a way that the cmavo, originally not based on any gismu etymologically, could be reanalyzed to be based on the gismu; x1 is a reverse source gismu of x2.
pro-sumti: this word
pro-bridi: quotes the next word and repeats the most recent bridi containing that word
Named reference. It converts a sumti into another sumti. The converted sumti points to the referent the name of which is the referent of the unconverted sumti.
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.
connective modifer/limiter
discursive: marks question construct as allowing filling it with answers that are non-referential constructs only
Quote conversion: the sentence(s)/bridi (possibly plural) is/are syntactically correct and semantically intended by the utterer if the outermost layer of quotes (markers) which immediately follows were to be omitted/removed, but the quoted text is in fact a quote (of the indicated type) from some source.
converts following word to selbri-unit: "x1 is related to the meaning of this word in aspect x2"
quote next non-Lojban word only; quotes a single non-Lojban word delimited by pauses (in speech) or whitespace (in writing)
x1 (text, entity) is a palindrome in retaining x2 (by default x1) via rules x3 (property of x1)
x1 is called after property x2 by x3
x1 (usually Lojban word) is the BAI cmavo corresponding to root word/gismu x2.
x1 is omnivore
x1 (text / virtual-text-object) is a variable representing x2
x1 has an intention to influence the behavior of x2, to command, control x2
x1 is a meme
x1 is a tosmabru word.
x1 is a xazdmru word
x1 is a tosmabru word.
x1 is a slinku'i word
xa zei sumtika
x1 is a part of Lojban text representing rule 'sumti-6' according to the first edition of the book 'The Complete Lojban Language'.