# Key Concepts

Term	Definition
XP Instance	An instance is a single xp environment that belongs to a community. All scoreboards/scores are associated with their communit's XP Instance.			Group 37729 (2).png
Scoreboard	Each wallet in an XP instance has its own scoreboard. This is where we store all scores for that particular wallet.			Group 37727 (2).png
Score Type	Each instance can keep multiple scores stored for a single user, these Score Types are stored inside a particular user's Scoreboard.	Example: A Scoreboard may have multiple Score Types to track a user's "attribution", "Social Reputation", "Collector Reputation", "Bot Level Signal"		Group 37742 (2).png
Score/Points	The units of measurement for a Score Type. A user is said to have <Points> of XP for a specific Score Type.	Example: John may have 200 XP of "Collector Reputation" in the Fly Frogs XP instance	QmXAJgtNayakBvXfhVKWDxKH2b4Uycs1XNq4oix7W8txcu.jpeg	Group 37743.png
Action	An action is what moves scores in either direction. An action contains two key components within it -> {amount: <XP>, direction:<UP/Down>}			Group 37735.png
Score Update	This is the process in which a score is updated in an XP instance. The score update consists of an Action that is applied to a user's Score Type on their Scoreboard.			Group 37736 (2).png

### Example of an XP Instance An XP Instance at its core is an on-chain data structure that defines **Actions**(your point rules), and how they apply to **Score Types.** This data is on-chain and open allowing anyone to query and check a score of a particular wallet. This opens up the possibility for anyone to build loyalty/reputation/gating tools/protocols on top of this community-defined score system.