dep stu lujvo

s₁ is a waiting room/place where d₁ waits for d₂.

In notes:

depkumfa: k₁ is a waiting room/break room in structure x₂ surrounded by partitions/walls/ceiling/floor x₃ (mass/jo'u).
depypoi: p₁ is a waiting queue ordered by rules p₂ on unordered set p₃ waiting for x₄=d₂.