15. A non-transitory computer-readable medium storing computer executable instructions that, when executed by one or more computing devices, configure the one or more computing devices to perform operations comprising: causing display of a visual representation of a first version of a story, wherein the visual representation of the first version of the story comprises a plurality of points; enabling a user to select one of the plurality of points in order to associate a referent with the selected one of the plurality of points, wherein the referent comprises at least one of an event, a character, an object, a subject, a time, a place or a person; receiving a user request to associate the referent with the selected one of the plurality of points in the first version of the story, wherein the referent and the selected one of the plurality of points to associate with the referent are selected by the user, wherein the user request represents an indication from the user that the referent is related to the selected one of the plurality of points in the first version of the story; based at least in part on the user request, storing information that associates the referent with the selected one of the plurality of points in the first version of the story; automatically determining a second point in a second version of the story based at least in part on a point map associated with the first version of the story and the second version of the story, wherein the point map relates each of a plurality of points in the first version with a point in the second version; and automatically storing information that associates the referent associated with the selected one of the plurality of points in the first version of the story with the second point in the second version of the story.
15. A non-transitory computer-readable medium storing computer executable instructions that, when executed by one or more computing devices, configure the one or more computing devices to perform operations comprising: causing display of a visual representation of a first version of a story, wherein the visual representation of the first version of the story comprises a plurality of points; enabling a user to select one of the plurality of points in order to associate a referent with the selected one of the plurality of points, wherein the referent comprises at least one of an event, a character, an object, a subject, a time, a place or a person; receiving a user request to associate the referent with the selected one of the plurality of points in the first version of the story, wherein the referent and the selected one of the plurality of points to associate with the referent are selected by the user, wherein the user request represents an indication from the user that the referent is related to the selected one of the plurality of points in the first version of the story; based at least in part on the user request, storing information that associates the referent with the selected one of the plurality of points in the first version of the story; automatically determining a second point in a second version of the story based at least in part on a point map associated with the first version of the story and the second version of the story, wherein the point map relates each of a plurality of points in the first version with a point in the second version; and automatically storing information that associates the referent associated with the selected one of the plurality of points in the first version of the story with the second point in the second version of the story. 18. The non-transitory computer-readable medium of claim 15 , wherein the referent is related to the selected one of the plurality of points in the first version of the story by the referent being referenced in a portion of content of the first version of the story corresponding to the selected one of the plurality of points.