A method, comprising: receiving a plurality of handwritten strokes in an input area; in response to receiving the handwritten strokes, determining whether the handwritten strokes are a textual input or a sketch in accordance with predetermined criteria for distinguishing between handwritten textual inputs and sketch inputs; in accordance with a determination that the handwritten strokes are a textual input: generating one or more handwritten word blocks based on the handwritten strokes; and positioning the one or more handwritten word blocks in a content presentation area in accordance with first predetermined layout criteria; and in accordance with a determination that the handwritten strokes are a sketch: generating a sketch content object based on the handwritten strokes; and positioning the sketch content object in the content presentation area in accordance with second predetermined layout criteria that is distinct from the first predetermined layout criteria.