Here's an example of a dungeon overview:
The Dungeons of Doom: levels 1 to 3 Level 3: Stairs down to The Gnomish Mines. The Gnomish Mines: levels 4 to 11 Level 7: Many shops, a temple, some fountains. Level 10: <- You are here. Level 11:
The final output of #overview, displaying everything you've learned about the dungeon so far, is available as one of the screens of information offered after the question 'Do you want your possessions identified?'