Directed Graph
Directed graphs (or digraphs) ordered edges, which are called directed edges or arcs
graph LR v1(( )) v2(( )) v3(( )) v4(( )) v1-->v2 v2-->v4 v2-->v3 v3-->v4 v4-->v1
Directed graphs (or digraphs) ordered edges, which are called directed edges or arcs
graph LR v1(( )) v2(( )) v3(( )) v4(( )) v1-->v2 v2-->v4 v2-->v3 v3-->v4 v4-->v1