| General terms | |
|---|---|
| Joining player | The player being matched to a server in your experience. |
| Common device | The device type shared between existing players in the server and the joining player. Can be a mobile device, a desktop, a laptop, a tablet, or a console. |
| Common language | The language shared between existing players in the server and the joining player. |
| Scoring | |
| Server | An RCC instance hosting a place. |
| Signal weight | A non-negative number that describes the importance of a signal relative to other signals. |
| Weighted sum | The sum of all weighted signal scores for a server. The basis for picking the best server for a player. |
| Server score | The final matchmaking score for a server, based on the weighted sum of its signals. Players are matched to the server with the highest score. |
| Weighted signal score | The value after multiplying the signal score by its weight. |
| Signals | |
| Signal | The processed version of an attribute. A signal is created when an attribute is transformed to fit the matchmaking scoring system. |
| Signal score | The value of a signal after transformations, ranging between 0 and 1. |
| Weight | Describes the importance of a signal in the scoring process. Signals with higher weights have a bigger impact in matchmaking. |
| Weighted signal score | The result of multiplying a signal's score by its weight. Reflects both the value and importance of the signal. |
| Numerical custom signal | The difference between the joining player's attribute and the server's average. |
| Categorical custom signal | How common the joining player's attribute is when compared to the other players in the server. |
| Attributes | |
| Attribute | A property used in matchmaking scoring. Represents “raw signal values” before they're processed. Can be a number or a string. |
| Custom attribute | A universe-level property defined by creators. Can be a player attribute or a server attribute. |
| Player attribute | A characteristic of a player, like their preferred game mode or skill level. |
| Server attribute | A characteristic of a server, like the server's response time or active game mode. |