Enter a clue or pattern or both:
The Clue
Postal activity (7 letter answer)
The Answer
ROUTING
Tags
Notes
The answer ROUTING is so rare that it appears less than once every 2500 puzzles.
Definition
ROUTE as a verb:
1. send documents or materials to appropriate destinations
2. send via a specific route
3. divert in a specified direction; "divert the low voltage to the engine cylinders"