casnu -snu- gismu

x1(s) (mass normally, but 1 individual/jo'u possible) discuss(es)/talk(s) about topic/subject x2.

Also chat, converse. See also bacru, cusku, darlu, tavla.


In notes:

bacru
x1 utters verbally/says/phonates/speaks [vocally makes sound] x2.
cusku
x1 (agent) expresses/says x2 (sedu'u/text/lu'e concept) for audience x3 via expressive medium x4.
darlu
x1 argues for stand x2 against stand x3; [an opponent is not necessary].
tavla
x1 talks/speaks to x2 about subject x3 in language x4.
camgubri'a
r1 hypes r2=g1=c1.
da'asnu
c1 (mass normally, but 1 individual/jo'u possible) argues/quarrels about topic/subject c2=d3 with opponent x3=d2.
dausnu
c1 debate on topic/subject c2.
gugja'anunsnu
n1 is a summit between j1=c1 (heads of state/government) about topic/subject c2.
jbosnu
c1 (mass normally, but 1 individual/jo'u possible) discuss(es)/talk(s) about topic/subject c2 in Lojban.
lujrinsku
x1=c1 (person) justifies/expresses justification x2=k2 for x3=p1's complicated-ness in aspect x4=p2 to audience x5=c3 via expressive medium x6=c4.
nuncasnu
n1 is a conversation involving c1(s) (mass normally, but 1 individual/jo'u possible) about topic/subject c2.
selsnu
s2 is the subject of discourse/expression s1.
snukarni
k1 is a [shared journal]/blog about topic/subject k2=c2 published/administered by k3 for participants/audience k4=c1.
snustu
s1 is a forum for c1 to discuss/talk about topic/subject c2.
ta'arsi'u
s1 (set) discuss subject t2 in language t4.
zairsnucu'u
c1 is the marketing communications business/activity/function supporting the sales/promotion of goods/products/services/activities z2.