Labeled Fan-In (LR)
Several labeled edges into one node (#1467). In the ASCII panel each edge keeps its own lane, so every label sits on the stroke it names.
labeled-fan-in-lr.mmd
flowchart LR
A --> B
A -->|first| C
B -->|second| C
A -->|third| D
C -->|fourth| D
B -->|fifth| D
B -->|sixth| D
A -->|seventh| D