lerfu -ler-le'u- gismu

x1 (la'e zo BY/word-bu) is a letter/digit/symbol in alphabet/character-set x2 representing x3.

Also x1 glyph, rune, character (also me'o BY/word-bu), x2 symbol set; (adjective:) x1 is alphabetic/symbolic; "letteral" used by analogy with "numeral"; sinxa is the more generic symbol. See also mifra, namcu, sinxa, pandi.


In definition:

foi
terminator: end composite lerfu; never elidable.
xo
digit/number: number/digit/lerfu question.
burfava
x1 is a part of Lojban text representing rule 'lerfu-word' according to the first edition of the book 'The Complete Lojban Language'.
lerfusu
x1 is a part of Lojban text representing rule 'lerfu-string' according to the first edition of the book 'The Complete Lojban Language'.
ka'i zei sumtika
x1 is a part of Lojban text representing rule 'sumti' that has the only terminal 'KOhA #' or 'lerfu-string /BOI#/' in the formal grammar of the first edition of the book 'The Complete Lojban Language'.

In notes:

mifra
x1 is encoded/cipher text of plain-text x2 by code/coding system x3; x1 is in code; x3 is a code.
namcu
x1 (li) is a number/quantifier/digit/value/figure (noun); refers to the value and not the symbol.
pandi
x1 (agent) punctuates x2 (expression) with symbol/word x3 with syntactic/semantic effect x4.
sinxa
x1 is a sign/symbol/signal representing/referring/signifying/meaning x2 to observer x3.
bu'ivla
x1 (quoted text) is a “bu letteral” of character x2 (zoi quote).
jbole'u
le1=lo1 (la'e zo BY/word-bu) is a letter/digit/symbol of Lojban’s alphabet representing le3
jifpedle'u
x1 is a "false friend" (letter/symbol in a different writing system that looks similar, but differs significantly in meaning) to x2, in alphabet/character-set x3 representing x4
lerpavmoivla
l1 (quoted letteral) is the first letter of the word v1.
lertermifra
m3 is a character encoding for bytes m2 with symbols/font m1.
lervla
v1 is a word which stands for the letter/digit/symbol v2=l1 in language v3.
leryrolmoivla
l1 (quoted letteral) is the last letter of the word v1.
padle'u
x1 is punctuation in orthography/language x2 representing x3
vlalerpoici'e
x1 is a script/orthography for language x2
xanle'ule'u
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.
zilterle'u
x1=l2 is a formal character-set/alphabet containing letter(s)/characters/digits/terms x2=l1; x2 is a letter in formal alphabet x1 and is treated formally (it has no meaning, other than possibly being distinct from other letters in x1)
cilfu
x1 is the ISO-named script/writing system of people x2 with ISO-name x1, according to rule/specification x3
glife
x1 is a glyph, elemental symbol within an agreed set of symbols, intended to represent character x2
ge'ai
metasyntactic variable prenex
ge'ei
metasyntactic variable marker
abjadu
x1 is an abjad used to write x2.
anji
x1 is a sinogram / Chinese hanzi / Japanese kanji (logogram) with meaning x2 and radical x3.
ga'elfu
x1 (la'e zo BY/word-bu) is a capital/capitalised/upper-shift letter/digit/symbol in alphabet/character-set x2 representing x3.
jbopomofo
x1 is a jbopomofo orthography (bopomofo orthography adapted for lojban)
katkana
x1 is a katakana (Japanese syllabary) of sound x2.
lu'erma
x1 (letteral) is a letter that occurs in word x2 (text); x2 contains an occurrence of x1 as a digit/term in a sequence
namsusu
x1 is a part of Lojban text representing rule 'number' according to the first edition of the book 'The Complete Lojban Language'.
slurume
x1 is a part of Lojban text representing rule 'free' according to the first edition of the book 'The Complete Lojban Language'.
to'alfu
x1 (la'e zo BY/word-bu) is a lower-case letter/digit/symbol in alphabet/character-set x2 representing x3.
vlaleci'e
x1 is a script/orthography for language x2
xangulu
x1 is a hangul (Korean alphabet) of sound x2.
xirgana
x1 is a hiragana (Japanese syllabary) of sound x2.
ce'a zei ciste
x1 is a font with components x2 (full set) and showing property x3 (property of x1)
ci zei mektika
x1 is a part of Lojban text representing rule 'operand-3' according to the first edition of the book 'The Complete Lojban Language'.
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.
re zei taulka
x1 is a part of Lojban text representing rule 'tanru-unit-2' according to the first edition of the book 'The Complete Lojban Language'.
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.
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'.