Welcome to Hive. Take a look at this guide:
https://www.proofofbrain.blog/hive-150329/@leprechaun/the-absolute-beginner-s-guide-to-proof-of-brain. It's a about how to use the Proof of Brain interfaces for brand new users. Much of it applies to Hive at large.
Thanks @leprechaun for this valuable guide! 😊