In many fields, parent-child relationships exist. It is desirable to be able to graphically represent the status of a child with respect to a parent in the parent-child relationship.
In the prior art, meters or gauges were used to depict the status of a single entity, such as the amount of fuel in a fuel tank. In addition, minor work was done depicting percentages, such as a bar graph which can show current progress versus a target number. However, the prior art failed to address the need for the ability to graphically represent the status of a parent-child relationship.