Create Whiteboards - spaces where you can choose which cards to display. this way you can create a collection of cards you need for a particular project, and see all of the information in one space. Heptabase is organized this way, and adds another level of being able to see and work with the ideas.

Cards live in the card library. They don't live in a whiteboard. They are simply displayed in as many whiteboards as you want them to be, while the card maintains its integrity across all places where it is displayed.