Design System is a terrific type system consisted of 5X7X2= 70 typeface styles from 70s-style simple square sans to the largest design of perpetuity that are best for titles, logo and text.
Their easy kind does not limit the target of design and can be utilized for any creative work.
Additionally they all have been designed not to offer a feeling of strangeness when they are used in mix each others.
Be sure to take a look at the rest of the Style System superfamily:
A, B, C, D, E, F, G.