here is a short description of the new tracing feature. The pictures have been made with the EMC version, therefore the color design differs a bit.
It will visualize the addresses and coins which were affected in sending those coins to a desired address.
You can access this trace by clicking the new icon within the block detail page, next to each EMC input or output:
Additionally there is a link within the transaction detail page:
It will trace with a maximum depth of three transactions.
No matter how complex... (which takes some time)
...or simple the trace will be