An electronic device with a display and a note-taking application: displays, on the display, a first user interface of the note-taking application, wherein: the note-taking application includes a plurality of notes prepared by a user; the plurality of notes includes electronic text content input by the user, and content created and/or selected by the user that is distinct from the electronic text content; the content created and/or selected includes content from a plurality of distinct content categories; and the first user interface displays a categorized-content-view affordance; detects activation of the categorized-content-view affordance; and, in response to detecting activation of the categorized-content-view affordance, displays, in a categorized-content view, a scrollable list of at least some of the content created and/or selected by the user that is distinct from the electronic text content input by the user, wherein the content in the scrollable list is organized and displayed by the content categories.