The main window includes folder icons and object icons:
Each folder icon represents all objects of its type within a replication environment (two-tier) or a replication domain (three-tier). Folder icons appear in the left or right pane.
Each object icon represents one server object, such as a database, a table, a replication definition, or a connection. Some objects contain other objects, for example, a database contains tables.
The left pane only shows objects that contain other objects. For example, the left pane may show a subscription icon. However, the individual subscriptions contained in the Subscription folder appear in the right pane.