The table of places is a hierarchical directory with free structure. In the uppermost level you can create countries, then you create districts or states or provinces (depending on administrative division of the country), then smaller divisions like cities etc, then you can even create a place with a street name and a house number.
In Places table you can do all actions described in Interface overview, you can create, edit or delete a place, view information about places. You can save or print the table and get statistics.
For a chosen place you can create either a place of the same level (Create a place menu option) or a place that is situated in the chosen place or belongs to it (Create a nested place menu option):

Information tab of the place edit window contains all main information about the place:
The information is divided into several groups:
in the right upper corner of the photo opens the menu of actions connected to the photo. full name and a short name. The full name may contain a full postal address while the short name may contain just a town name or village name etc. It allows to store the full address in the database while showing just a town name to save some space in the tree. You can change these names by clicking them.
Documents tab contains a list of document connected to the place: photos, archive documents, etc.
Sources links tab contains a list of links to the sources that were used to get information about the place.