1. A computer program product comprising: a computer-readable storage device having computer-readable program code embodied therewith, the computer-readable program code comprising: computer-readable program code configured to provide a source report for display, wherein the source report includes a first plurality of data values each associated with a first context, wherein the source report comprises a plurality of cells, wherein each cell of the plurality of cells includes a respective data value of the first plurality of data values, and wherein the first context comprises an intersection of two or more dimensions of a multidimensional database; computer-readable program code configured to receive a selection of a first cell of the plurality of cells that includes a first data value of the first plurality of data values; computer-readable program code configured to provide a drill-through report for display, wherein the drill-through report is generated based at least in part on the selected first data value, wherein the drill-through report includes a second plurality of data values each associated with a second context, and wherein the second context comprises an intersection of at least one of the two or more dimensions of the first context and at least one other dimension of the multidimensional database that is not included in the first context; computer-readable program code configured to receive an indication of a user-specified relationship between the selected first data value and the drill-through report, wherein the user-specified relationship comprises a natural language description that indicates an extent to which the drill-through report provides insight regarding the selected first data value; computer-readable program code to update the first cell in the source report to include a graphical symbol indicating a presence of the indicated relationship between the selected first data value and the drill-through report; and computer-readable program code configured to provide, for display, an updated source report having the updated first cell including the graphical symbol indicating the presence of the indicated relationship between the selected first data value and the drill-through report.