On grammatical class:

la'edi'u
pro-sumti: the referent of the last utterance; the state described: "IT was fun".
le go'i
description pro-sumti: reuses the value of the x1 of the previous bridi.
le sego'i
description pro-sumti: reuses the value of the x2 of the previous bridi.
le tego'i
description pro-sumti: reuses the value of the x3 of the previous bridi.
le vego'i
description pro-sumti: reuses the value of the x4 of the previous bridi.
le xego'i
description pro-sumti: reuses the value of the x5 of the previous bridi.
loroda
all the things (in our universe of discourse)
noda
logically quantified sumti: nothing at all (unless restricted).
roda
logically quantified universal sumti: everything (unless restricted).