Profiles are accessed by clicking a player's name in the sidebar (or your own name in the personal info bar). Profiles contain the player's name, avatar, stars & cards count (realtime if the player is visible), Notes you have collected or created, RPS markers used to simulate their deck and a button to request meetings or join them in a match.
Notes allows players to write down information about a player. Notes are also used to automatically log information on a player from in-game sources. Sources of automatic tips are...
Notes are time ordered so that Suit Tips can be easily viewed in the context of when they took place. New tips are highlighted in notes for the first time you view them.