One of the coolest features in Avalon is the property subsystem. While it might seem difficult for some that Avalon has a property system built on top of the normal CLR properties, the power that this system gives you is incredible and is part of why a lot of scenarios in Avalon require less code than their counterparts in other systems.

One cool thing that the property system in Avalon allows is attached properties. The simplest way to explain an attached property is that it allows the place where the property is defined and the place where it is stored to be completely different cl