neighbourhood.dot

digraph neighbourhood{
    node [shape="Mrecord", fontname="Consolas", fontsize=10];
    edge [color="skyblue", fontname="Consolas", fontsize=10];

    node [style="filled"];
    app [label="Neighbourhood Search", color="darkseagreen", fillcolor="darkseagreen"];
    syndication [label="Syndication Search API", color="dodgerblue", fillcolor="dodgerblue"];
    localmatters [label="DS LocalMatters API", color="lightyellow", fillcolor="lightyellow"];
    fast [label="FAST Search Engine", color="springgreen", fillcolor="springgreen"];
    gmap [label="Google Maps API", color="royalblue", fillcolor="royalblue"];

    edge [color="pink"];
    app -> syndication [label="/searches {latitude, longitude}"];
    syndication -> localmatters [label="mapping"];
    localmatters -> fast [label="do search"];
    fast -> localmatters [label="response"];
    localmatters -> syndication [label="convert fast result to json"];
    syndication -> app ["mapping"];

    app -> gmap [label="request maps info"];
    gmap -> app [label="response maps info"];
}