To create a project, go to the Projects menu in the menu sidebar.
A project will contain one or multiple sources and one or multiple data vaults.
A data vault will be created from all the sources that are completed in a
project (unless their build flag is off).

Click

to add a new project. A sidebar will ask you to specify a name and
description for the new project. Click

to confirm.

Now you can take a look at the project parameters by clicking

Take note of the Project Specific flag. As explained before, enabling this
flag will lock the value of this parameter for this project, preventing any
changes in the System Parameters from overwriting this value.