lesrunbau lujvo

x1 is a philosophical conlang used by x2 to communicate x3.

Well known examples are Toki Pona and Ithkuil. See also flese, runbau, tokpona, tokpo, itku'ile, itku'ilybau, iskuuil.

In notes:

itku'ile
x1 pertains to Ithkuil/Ilaksh/ElartkĘ°a language in aspect x2
tokpona
x1 reflects Toki Pona culture/nationality/language in aspect x2