pe'a UI3c -pev- cmavo

marks a construct as figurative (non-literal/metaphorical) speech/text.

On affix form:

preja
x1 spreads/expands over/into x2 from initial state x3.

In notes:

cimjvo
l1 is an implicitly metaphorical lujvo with meaning l2 and arguments l3 built from metaphor l4.
sidysmu
x1 is a figurative/metaphorical/non-literal meaning/interpretation of x2 recognized/seen/accepted by x3 .