When you run the Studio for the first time, you are presented with a welcome screen presenting the main functions of the program, as shown here:
There are seven options on this screen (until release 38 of the Studio, only the first four were present):
Open Administration Console: This will open a perspective (layout) allowing administration of the server, from User creation, to Authorization handling. No development of objects can be done in this view.
Open Lifecycle Management: This perspective gives you access to functions for updating the server software. When a new version of SAP HANA is released, you can use this function to apply patches to your existing installation to bring it to the new version. Once more, no development can be done in this view, nor can any administration task be carried out, except updating the server.
Open Modeler: Undoubtedly, the view where you will spend most of your time, this is where the SAP HANA information models are created...