digraph techviz {
  graph [rankdir=TB, splines=ortho, nodesep=0.55, ranksep=0.85];
  node [fontname=Helvetica, fontsize=11, margin="0.18,0.12", style="rounded,filled", fillcolor=white, color="#2d4357", penwidth=1.5];
  edge [fontname=Helvetica, fontsize=10, color="#364b5f", penwidth=1.4, arrowsize=0.75];
  n0 [label="산문으로 적힌 측정 장치", shape=box, style="rounded,filled"];
  n1 [label="셸 표현식", shape=box, style="rounded,filled"];
  n2 [label="실제 실행 확인", shape=box, style="rounded,filled"];
  n3 [label="재현 가능", shape=box, style="rounded,filled"];
  n0 -> n1 [label="바꿔 적는다", style=solid];
  n1 -> n2 [label="돌려본다", style=solid];
  n2 -> n3 [label="통과한 것만 남긴다", style=solid];
}