On grammatical class:

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

In definition:

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