On grammatical class:

sei
start discursive (metalinguistic) bridi.
ti'o
mathematical expression (mex) operator precedence (discursive).
cei'e
define following selbri with sentence or tu'e...tu'u clause
le'au
Start property which sets the meaning of {le} in the surrounding text.
sei'e
evidential builder: I know by means ...

In definition:

cmavrsei
x1 is the selma'o "SEI".

In notes:

skubancu
x1 is metalinguistic with respect to the expression by x2 of text x3 for audience x4 via medium x5 .
lu'ei
convert a grammatical quotation to a tanru unit; x1 expresses/says the quoted text for audience x2 via expressive medium x3.
xu'e
vocative: said/quoth..., used to identify the person speaking a single sentence (e.g. in dialogues)
ensi
x1 (text) is written in a dialect where every bridi has arguments expressed in content/patient/recipient/stimulus semantic cases schema
esme
x1 (text) is written in a dialect where {su'o}, {ro} quantifiers are treated as {su'oi}, {ro'oi} respectively
ilki
x1 (text) is written in a dialect where every bridi has arguments expressed in Lakoff's image schemae
onga
x1 (text) is written in a dialect where selbri in every bridi-tail is assumed to have {so'o'o'oi} applied to it
slurume
x1 is a part of Lojban text representing rule 'free' according to the first edition of the book 'The Complete Lojban Language'.
upsi
x1 (entity) acknowledges making mistake x2 (property of x1)