On any given Listing there will be certain types of information that are going to be important to track. The following is a list of Related Lists on the Listing Object.
Activity Histories - Allows users to track calls, meetings and other tasks and events that relate to the listing
Open Activities - Allows users to track tasks and events that have not been completed in relation to the listing
Offers - Allows users to track information about offers that relate to the listing
Showings - Allows a user to track showings for particular spaces.