The allocations graph (projects > allocations) provides you a comprehensive visual view about the resourcing situation for your project.

The legend in the left side of the graph explains every color and what they graphically display. By clicking on any of the rows in the legend, you can hide it from the graph. By clicking again, you can show it on the graph.

Like most of the graphs found in Silverbucket, the view mode and allocation units can be changed from the top-right corner of the graph.