Systems and methods for rendering an annotation graphic user interface (GUI) that encompasses external information related to a book term in a structured frame. An ebook includes pre-selected terms embedded with hyperlinks directing to an article contained by an external information source. Upon a user interaction with such a pre-selected term, raw information from the one or more articles is accessed and fed to a wireframe. The raw information is mapped to respective sections of the wireframe based on the field identifications attached to different segments of the raw information. As a result, an annotation GUI including the external information can be displayed in a consistent and orderly format.