sa'a UI3a cmavo

discursive: material inserted by editor/narrator (bracketed text).

See also setca.

On affix form:

sanga
x1 sings/chants x2 [song/hymn/melody/melodic sounds] to audience x3.

In notes:

cusku'i
x1 edits/revises/adapts text x2 by x3 for audience x4 in medium x5.
skubancu
x1 is metalinguistic with respect to the expression by x2 of text x3 for audience x4 via medium x5 .