# Concepts App Authors - Sketchnoting Tools and Techniques (Highlights) ![rw-book-cover|256](https://readwise-assets.s3.amazonaws.com/static/images/article3.5c705a01b476.png) ## Highlights - Metaphors, metaphors, metaphors! One idea = one image. ([View Highlight](https://instapaper.com/read/1442934381/17401575))