Hi, Brent.
I find it makes it easier to check the list if I make the title of the task:
Estate Planning Memorandum drafting (wf Linda to type).
The parenthetical helps me remember why the heck it was on the waiting for list and triggers thoughts like "oh yeah, she gave that back to me this morning".
HTH.
I also try (don't always succeed) to do a mini review every morning which includes reviewing my @waiting for list. Otherwise, you're right, stuff which is back from whatever it was waiting for sometimes gets lost on that list.
HTH.
Taxgeek