IDA Pro has a tightly integrated disassembly view that is graph-based, giving a control flow view to the disassembly as opposed to the standard text-style disassembly output. Different colored arrows are used to distinguish the various types of flows. You can also zoom in or out of the graph for greater clarity. For complicated graphs, you can use the Graph Overview window which can provide you with overall awareness of the area that you are viewing in the graph.
Graphing also gives you the ability to rearrange, group, and collapse blocks in the graph. As only one function can be viewed in each individual graph, you can create other disassembly graphs for other functions, so that you can view two or more at the same time. Here’s an overview of the Graph features.