digraph tm {
    graph [
        fontname = Arial;
        fontsize = 14;
    ]
    node [
        fontname = Arial;
        fontsize = 14;
    ]
    edge [
        fontname = Arial;
        fontsize = 12;
    ]
    nodesep = 1;

    subgraph cluster_boundary_External_Services {
        graph [
            fontsize = 10;
            fontcolor = black;
            style = dashed;
            color = firebrick2;
            label = <<i>External Services</i>>;
        ]

        component_SMTP_relay_External_Services [
            shape = circle;
            color = black;
            fontcolor = black;
            label = "SMTP relay";
            URL = "component_SMTP_relay.html";
            tooltip = "SMTP relay";
            margin = 0.02;
        ]

    }

    subgraph cluster_boundary_News_Organization {
        graph [
            fontsize = 10;
            fontcolor = black;
            style = dashed;
            color = firebrick2;
            label = <<i>News Organization</i>>;
        ]

        component_Journalist_Corporate_Workstation_News_Organization [
            shape = circle;
            color = black;
            fontcolor = black;
            label = "Journalist\nCorporate\nWorkstation";
            URL = "component_Journalist_Corporate_Workstation.html";
            tooltip = "Journalist Corporate Workstation";
            margin = 0.02;
        ]

        component_News_Organization___Legal_News_Organization [
            shape = circle;
            color = black;
            fontcolor = black;
            label = "News\nOrganization /\nLegal";
            URL = "component_News_Organization___Legal.html";
            tooltip = "News Organization / Legal";
            margin = 0.02;

            style = "filled";

            fillcolor = "#c0392b";

            fontcolor = "white";

            class = "highlighted";
        ]

    }

    actor_Journalist_ [
        shape = square;
        color = black;
        fontcolor = black;
        label = "Journalist";
        URL = "component_Journalist.html";
        tooltip = "Journalist";
        margin = 0.02;
    ]

    actor_Journalist_ -> component_Journalist_Corporate_Workstation_News_Organization [        color = black;        fontcolor = black;        dir = forward;        label = "1. Journalist uses\ncorporate device";    ]
    component_SMTP_relay_External_Services -> component_Journalist_Corporate_Workstation_News_Organization [        color = black;        fontcolor = black;        dir = forward;        label = "2. Alerts to\ncorporate mail";    ]
    component_Journalist_Corporate_Workstation_News_Organization -> component_News_Organization___Legal_News_Organization [        color = black;        fontcolor = black;        dir = forward;        label = "3. Organizational /\nlegal exposure";    ]
}