On grammatical class:

la'e
the referent of (indirect pointer); uses the referent of a sumti as the desired sumti.
lu'a
the members of the set/components of the mass; converts another description type to individuals.
lu'e
the symbol for (indirect discourse); uses the symbol/word(s) for a sumti as the desired sumti.
lu'i
the set with members; converts another description type to a set of the members.
lu'o
the mass composed of; converts another description type to a mass composed of the members.
tu'a
extracts a concrete sumti from an unspecified abstraction; equivalent to le nu/su'u [sumti] co'e.
vu'i
sumti qualifier: the sequence made from set or composed of elements/components; order is vague.
xa'e
Issues a third-person command. Elevates a sumti to ko status.
zo'ei
Something associated with; equivalent to ''zo'e pe''.