On grammatical class:

lo'u
start questionable/out-of-context quote; text should be Lojban words, but needn't be grammatical.
la'ai
otherwise lojbanic name, ending in a vowel; multiple names delimited by pauses.

In definition:

cmavrlo'u
x1 is the selma'o "LOhU".

In notes:

la'au
start grammatical name quotation; the quoted text is an identifier and must be grammatical on its own.
xa zei sumtika
x1 is a part of Lojban text representing rule 'sumti-6' according to the first edition of the book 'The Complete Lojban Language'.