On grammatical class:

cai
attitudinal: strong intensity attitude modifier.
cu'i
attitudinal: neutral scalar attitude modifier.
pei
attitudinal: attitudinal question; how do you feel about it? with what intensity?.
ru'e
attitudinal: weak intensity attitude modifier.
sai
attitudinal: moderate intensity attitude modifier.
cau'i
modifier / discursive: elliptical affirmative; "maybe, maybe not"
dai'i
attitudinal modifier: supposed emotion - factual emotion
na'oi
Indicator for moderate or normal attitudinal intensity
ni'au
attitudinal: 'how do you do?'
pei'a
scalar / attitudinal question: how very...?
dau'i
attitudinal: equal intensity attitudinal relativizer
mau'i
attitudinal: stronger intensity attitudinal relativizer
me'ai
attitudinal: weaker intensity attitudinal relativizer

In definition:

cmavrcai
x1 is the selma'o "CAI".

In notes:

pecai
restrictive relative phrase marker: permanently / inalienably associated with; it is impossible or near-impossible to break that relation
cai'e
strong scalar intensifier: extremely...
fai'a
translation marker - original/native version: marks a construct as having been translated and therefore particularly (possibly, but not necessarily) susceptible to the errors or limitations associated with translation (especially if the translator is unsure of the best result/option)
noi'e
scalar normative: normal in intensity
pai'e
scalar question: how very...?
rei'e
scalar abator: slightly... / not very...
sai'e
scalar intensifier: very...
xu'o
attitudinal contour: stronger over time - unchanging intensity - weaker over time
uinda
x1 is a part of Lojban text representing rule 'indicator' according to the first edition of the book 'The Complete Lojban Language'.