Design System is a great type system included 5X7X2= 70 font designs from 70s-style simple square sans to the largest design of all time that are best for titles, logo and text.
Their simple form does not limit the target of design and can be utilized for any imaginative work.
Additionally they all have been developed not to supply a feeling of strangeness when they are used in mix each others.
Be sure to take a look at the rest of the Design System superfamily:
A, B, C, D, E, F, G.