%% graph TD; comment
graph LR
Zero
A(This is A)
B[This is B]
C([This is C])
D[[This is D]]
E[(Database E)]
F((This is F))
G>This is G]
H{This is H}
I{{This is I}}
J[/J/]
K[\K\]
L[/L\]
M[\ M/]
Zero --> A --> B --> C --> D --> E --> F --> G --> H --> I --> J --> K --> L --> M
flowchart LR
%% this is a comment A -- text --> B{node}
A -- text --> B -- text2 --> C