1. A computer implemented method for displaying categories of content, the computer implemented method comprising: receiving a request from a client to display labels that categorize content for a data source, wherein the request includes a set of parameters; responsive to receiving the request, identifying a plurality of labels based on relevance of the plurality of labels to the set of parameters; generating a display of the plurality of labels; and sending the display to the client, wherein the display depicts the plurality of labels at the client such that each label in the plurality of labels has a selected distance from a central point in the display to indicate relevance of the labels to the set of parameters.