Use Case
TODO: https://docs.google.com/document/d/1qhhCmoStLUoA1rTVhyJ-i9OFLXhk2behmT2-tP2Zb6M/edit https://docs.google.com/presentation/d/1CaLjMw_qx7IpVW8QgZYwHXVNtl0q-87b4sACU2W1ENY/edit#slide=id.g57c47422f8_0_87 Lots of Usa Cases: https://app.diagrams.net/#G1htut50LsBzKT50Nd3u9h33Z1zIM9Cbd5#%7B%22pageId%22%3A%22WV9TGiboRZIWiDitEOys%22%7D