The document discusses key themes around multimodality from week 7 including how visuals can convey meaning without words and engage multiple senses. It provides examples of how the alien from the movie Alien and The Two Towers movie title can be interpreted in multiple ways through Gothic, gender hierarchy, and Freudian readings. The document also discusses how the internet, mp3s, and sound itself can be considered multimodal due to the multiple ways they can be perceived and interpreted. It concludes by asking how understanding the multimodality of visuals and technologies can benefit people.