With the exception of Tag Browser, the option selected on the Home tab determines which Asset Manager interface is shown.

Asset Hierarchy: Show the Asset Hierarchy interface.
Asset Maintenance: Show the Asset Maintenance interface.
Discrete Asset Maintenance: Show the Discrete Asset Maintenance interface.
Process: Show the Process interface.
Logbook: Show the Logbook interface.
Source Hierarchy: Show the Source Hierarchy interface.
Tag Browser: Open Tag Browser.