A "flowchart" has very specific meaning in programming contexts [1]. This tool is for wireframing [2]. It's also really just for the flow between pages, as the pages themselves are all pre-baked. There don't seem to be any tools to connect elements of the pages to one another, although some of the example diagrams have that feature and completely different toolbars.

[1] https://en.wikipedia.org/wiki/Flowchart [2] https://www.experienceux.co.uk/faqs/what-is-wireframing/