Read it on your own to know what it is and how it got visualized:
Intellisense for Dexterity – Ask and You Shall Receive (David)
DexSense: IntelliSense for Microsoft Dexterity (Mariano)
AWESOME product. Not long ago, we were voting for this. Even before we got over that voting, we are having a product with basic and most required functionalities, which does what we want.
Go ahead, get it, test it and give your constructive feedbacks to get this evolving.