By default, Home page is the starting point for all clients.

Staring page for clients can be changed in client interface options to Account, Orders or Help page.
Activation center: Client interface: Home

Home page includes links to all relevant sections of client interface web site.

Online store button can point to your online store. Actual store link can be set in client interface options.

Finally, latest news are also displayed here. Client can open news article by clicking on article title. Latest news control can be customized in client interface options.