On grammatical class:

bo
short scope joiner; joins various constructs with shortest scope and right grouping.

In definition:

brapagjvo
x1 (text) is a lujvo with meaning x2 and arguments x3, and which is constructed from tanru/veljvo x4 such that at least one element of the veljvo is ultimately not a cmavo (including "{zei}", "{ke}"/"{ke'e}", "{bo}", etc.), gismu, or rafsi of such cmavo or gismu.
cmapagjvo
x1 (text) is a lujvo with meaning x2 and arguments x3, and which is constructed from tanru/veljvo x4 such that each element of the veljvo is ultimately only a cmavo (including "{zei}", "{ke}"/"{ke'e}", "{bo}", etc.), gismu, or rafsi of such cmavo or gismu.
banbugulu
x1 is the language with ISO 639-3 code “bgl” (Bo (Laos)).
banbupuve
x1 is the language with ISO 639-3 code “bpw” (Bo (Papua New Guinea)).
bangakumu
x1 is the language with ISO 639-3 code “akm” (Aka-Bo).
banmu'a'e
x1 is the language with ISO 639-3 code “mae” (Bo-Rukul).
banmu'uxu
x1 is the language with ISO 639-3 code “mux” (Bo-Ung).
cmavrbo
x1 is the selma'o "BO".

In notes:

sivni
x1 is private/personal/privy/[secret/confidential/confined] to x2; x1 is not-public/hidden.
ke
start grouping of tanru, etc; ... type of ... ; overrides normal tanru left grouping.
je'abo
negation sumti qualifier: that which indeed is.
na'ebo
negation sumti qualifier: something other than.
no'ebo
negation sumti qualifier: the neutral form/value of.
to'ebo
negation sumti qualifier: the opposite of.
jbojevysofkemsuzgugje'ake'eborkemfaipaltrusi'oke'ekemgubyseltru
x1 reflects Lojbanic Soviet Federative Socialist Republic culture/nationality/community in aspect x2
rajroksfe
s1=rs1 is a vertical rock face / rock surface of rock / mountain rs2 on side rs3 with edges rs4, vertical in reference frame/gravity s2.
da'oi
attitudinal attribution
lu'ei
convert a grammatical quotation to a tanru unit; x1 expresses/says the quoted text for audience x2 via expressive medium x3.
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'.
ci zei sumtika
x1 is a part of Lojban text representing rule 'sumti-3' according to the first edition of the book 'The Complete Lojban Language'.
mu zei zgabube
x1 is a part of Lojban text representing rule 'selbri-5' according to the first edition of the book 'The Complete Lojban Language'.
pa zei funseia
x1 is a part of Lojban text representing rule 'operator-1' according to the first edition of the book 'The Complete Lojban Language'.
pa zei jarnezi
x1 is a part of Lojban text representing rule 'text-1' according to the first edition of the book 'The Complete Lojban Language'.
re zei brinefa
x1 is a part of Lojban text representing rule 'bridi-tail-2' according to the first edition of the book 'The Complete Lojban Language'.
re zei jurfuga
x1 is a part of Lojban text representing rule 'statement-2' according to the first edition of the book 'The Complete Lojban Language'.
re zei mektika
x1 is a part of Lojban text representing rule 'operand-2' according to the first edition of the book 'The Complete Lojban Language'.
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'.
xa zei zgabube
x1 is a part of Lojban text representing rule 'selbri-6' according to the first edition of the book 'The Complete Lojban Language'.