What IS Swiss design?

 While often I have been shown Swiss design, I have been curious as to what actually constitutes Swiss design. You can easily recognise it, but there are elements that are key to identification. Firstly, bold colors on white-

  Secondly, there are frequently slanted designs and long lines. At its core, this looks similar to such:

And finally, there is the bold text and bold letters, with very little gradient. These typically have a high-contrast  color scheme: