---
title: Vocabulary terms
tags: vocabulary, metadata
---

digraph G {
  rankdir="BT"
  M [label="Material"]
  NSM [label="Natural\nSolid Material"]
  Fl [label="Fluid Material"]
  Mi [label="Mineral"]
  Mi -> NSM [label="Broader"]
  NSM -> M [label="Broader"]
  Fl -> M [label="Broader"]
  more [label="...", shape=none]
  more -> NSM [style=dashed]
}