PPP-wave
type: Concept
broader: body wave
preferred label: موج پی-پی-پی @fa
related: P-wave
related: wave
related: seismology

P-wave
type: Concept
preferred label: موج طولی @fa
related: PPP-wave

body wave
type: Concept
narrower: PPP-wave
preferred label: موج حجمی @fa

wave
type: Concept
preferred label: موج @fa
related: PPP-wave

seismology
type: Concept
preferred label: لرزه‌شناسی @fa
related: PPP-wave