On grammatical class:

ra'o
flag GOhA to indicate pro-assignment context updating for all pro-assigns in referenced bridi.

In definition:

cmavnra'o
x1 is the selma'o "RAhO".

In notes:

re zei taulka
x1 is a part of Lojban text representing rule 'tanru-unit-2' according to the first edition of the book 'The Complete Lojban Language'.