Is there a difference between an aggressive dog and a dangerous dog in Fort Lauderdale?

In Broward County there is.Ordinance No. 2011-03 notes:

• A dangerous dog is one that has aggressively attacked a person on public or private property or has severely injured or killed a domesticated animal while off of its owner’s property, has been used for dogfighting, or has aggressively approached someone unprovoked.
• An aggressive dog is one that has severely injured or killed a domesticated animal while unprovoked and off its owner’s property.