Packages are the abstraction over machine size in fifo.cloud, they specify all the resources that a machine receives.
In the overview, you get to see a list of all packages currently created by you along with the option to create new packages.
When adding a new package, there are a few variables to define:
100%means one core
In the detail view, you see all the settings you made for a package. It is not possible to change resources after creation, but you can add and remove characteristics.