Diagrams, e.g. flowchart and mindmap, are rendered using Mermaid.
Flowchart
<div class="mermaid">
flowchart LR
B --> I --> C --"Y"--> PY
C --"N"--> PN
PY & PN --> O --> E
B(["Begin"])
I[/"Input"/]
C{"Condition?"}
PY["Do this"]
PN["Do that"]
O[/"Output"/]
E["End"]
</div>
Mindmap
<div class="mermaid">
mindmap
root((Physics))
Mechanics
Kinematics
Dynamics
Statics
Energy
Fluid
Hydrostatics
Hydrodynamics
Surface tension
Field
Electromagnetism
Electric field
Magnetic Field
Gravitation
</div>