terpli lujvo

x1 (abstraction) is the purpose of x2, used by x3

= te pilno. See erpi, terzu'e, tepi'o


In notes:

kosmu
x1 (abstraction) is a purpose/use of x2 (object or event), attributed by x3
erpi
x1 (abstraction) is the purpose of x2 (object or event)