16. A computer processor-based device configured to: detect an input operation associated with an electronic note page, wherein the input operation coincides with a first page location; position an originating container and a cursor at a default insertion point when the electronic note page is absent of a container and an input state corresponds to a first input operation in conjunction with the electronic note page; remove the originating container and positioning a new container and the cursor at the insertion point when the input state corresponds to a second input operation; and in response to resizing, transition a display of the new container and content rendered on the electronic note page by resizing ranges to automatically adjust the new container to a first percentage of an available page dimension and, in response to further resizing, to a second percentage of the available page dimension.
17. The computer processor-based device of claim 16 , further configured to reflow content based in part on container resizing operations.