Please find the summary in the following slide deck.
https://www.figma.com/proto/0CHb13zMmQMYbor59OJIcA/DuckDuckGo?page-id=409%3A38014&type=design&node-id=409-39331&viewport=2107%2C1108%2C0.17&scaling=scale-down-width&hide-ui=1