Flowchart

flowchart TD
  start(["Start"])
  finish(["Done"])
  subgraph sec1["Use the Arrangement Editor"]
  direction TB
    s1["1. Check the groups"]
    s2["2. Open the arrangements"]
    s3{{"3. Switch the active arrangement"}}
    s4["4. Manage arrangements"]
  end
  subgraph sec2["Create an arrangement"]
  direction TB
    s5["1. Open the presentation's arrangements"]
    s6["2. Start a new arrangement"]
    s7["3. Order the groups"]
    s8{{"4. Test the arrangement"}}
    s9["5. Select it for the playlist"]
  end
  start --> s1
  s1 --> s2
  s2 --> s3
  s3 --> s4
  s4 --> s5
  s5 --> s6
  s6 --> s7
  s7 --> s8
  s8 --> s9
  s9 --> finish
  s3 -.->|"The wrong arrangement plays"| s2
  s8 -.->|"A section is missing or out of order"| s3