On grammatical class:

ke
start grouping of tanru, etc; ... type of ... ; overrides normal tanru left grouping.

In notes:

bo
short scope joiner; joins various constructs with shortest scope and right grouping.
jbojevysofkemsuzgugje'ake'eborkemfaipaltrusi'oke'ekemgubyseltru
x1 reflects Lojbanic Soviet Federative Socialist Republic culture/nationality/community in aspect x2
kelkubli
ku1 is a die/are dice for game x2 with surfaces/sides ku3 (default 6).
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.