Prior to using OnePager, you didn’t have to consider how much space your project plan’s task or milestone labels would consume in a chart. Regardless of how long they were, you always had to re-type them anyway into whatever other application you were using to create your reports — and most people shortened labels while retyping. But now that you’re using your actual plan data to drive your visuals, label length is a major consideration.
Take a look at the examples below. The first has very long labels, while the second uses only what is necessary for the audience to understand what the activity or milestone is. (Double-click to enlarge each image.)