In an embodiment, a user is provided with a data representation covered by a relationship. For example, the data representation may include a collection of data objects representations. In an embodiment, the data object representations are arranged in a manner so as to indicate rows or records of different data objects that are associated with one another. In an embodiment, portions of the data objects in the collection are indicated as representing the data that is covered by the relationship. In an embodiment, a report representation that is expected to be generated by the report type defined by the user defined relationship is also provided. In an embodiment, a correspondence in indicated between elements of the report representation (e.g., columns in a thumbnail sketch of a report) and the data object representations (e.g., ovals in a Venn diagram).