mmdflowchart LR
a("fa:fa-home A") -- text --- b(["fab:fa-slack Slack"])
c[[サブルーチン]] -- arrow --o d[(円筒)] -. doted .- m(((二重丸)))
e((円)) -. doted arrow .-x f>フラグ]
g{ひし形} == thick ==> h{{ヘクス}}
%% ~~~ invisible
i[/平行四辺形/] ~~~ j[\平行四辺形\]
k[/台形\] --> l[\台形/]