# Glossary

Extended A-Z definitions of terms used across ARENA360 documentation.

{% hint style="info" %}
For core concepts with detailed explanations, see the [Terminology](/u/getting-started/terminology.md) page.
{% endhint %}

***

## A

**Abandoned** : A fixture that has been permanently stopped and will not resume. All open bets are typically refunded.

**Asian Handicap (AH)** : A betting market that eliminates the draw option by giving one team a head start. Lines are expressed as decimals (e.g., -1.5, +0.5).

***

## B

**Baseline** : The central line in a handicap or totals market from which other lines are calculated.

**Bet** : The potential outcome for a suggested market (e.g., "Home Win" in a 1X2 market).

**Bet Slip** : A collection of bets submitted by a player for placement.

***

## C

**Calculated Odds** : Odds processed through margin calculations and displayed to end users. Contrast with Provider Odds.

**Coverage** : The extent to which fixtures, markets, or data points are available from a provider.

**CSM (Customer Success Manager)** : Your dedicated LSports contact for account management and support.

***

## D

**Dead Heat** : When two or more selections tie in a race or event. Stakes are divided equally among tied selections.

**Delta Update** : A message containing only changed data rather than a full snapshot. Used for efficient data streaming.

**Distribution** : The data delivery service. Must be enabled before consuming RabbitMQ messages.

***

## F

**Fixture** : A contained sport gathering within the larger sport context — whether a direct head-to-head event or an entire league competition.

**Fixture ID** : Unique numeric identifier for a fixture across all ARENA360 products.

***

## H

**Heartbeat** : A periodic message sent to confirm the connection is active. Used for connection health monitoring.

***

## I

**InPlay** : The framework in which all content is sent DURING the fixture's execution. Also called "live" or "in-running."

**Interrupted** : A fixture temporarily stopped (e.g., due to weather) that may resume.

***

## K

**Keep Alive** : A message sent to maintain connection state during periods of low activity.

***

## L

**Line** : The handicap or total value in a market (e.g., 2.5 goals in Over/Under).

**Livescore** : An accompanying context which sheds light on the fixture's score, stats, lineups, and more.

**Lost Coverage** : When data feed for a fixture becomes unavailable during an event.

***

## M

**Mainline** : The primary line in a market with multiple line options. Typically the most liquid line.

**Margin** : The built-in cut for sportsbooks to ensure profit, as well as a self-safety measure. Also known as "overround" or "vig."

**Market** : A "question" presented by a sportsbook to end users regarding fixture outputs — score-related, statistics, player-oriented, or league conclusions.

**Market ID** : Unique numeric identifier for a market type.

***

## N

**NSY (Not Started Yet)** : Fixture status indicating the event has not begun.

***

## O

**Odds** : A numeric representation of the sportsbook's probability for each bet to occur. Expressed in decimal format.

**Outright** : A long-term market on an overall competition result (e.g., league winner, top scorer).

***

## P

**Package** : A subscription configuration defining which data you receive.

**Package ID** : Unique identifier for your data subscription.

**Participant** : A team, player, or competitor in a fixture.

**PreMatch** : The framework in which all content (odds, metadata, etc.) is sent BEFORE the fixture starts. Contrast with InPlay.

**Provider** : A source of odds or data (e.g., Bet365, Pinnacle).

**Provider Odds+** : Feature providing access to raw provider odds before margin calculations.

***

## Q

**Queue** : A RabbitMQ message queue. Your queue name is `_YOUR_PACKAGE_ID_`.

***

## R

**RabbitMQ** : Message broker used for real-time data streaming.

**Refund** : Returning stakes when a bet is voided (e.g., event cancelled).

***

## S

**Safe Message** : A feature ensuring guaranteed message delivery without data loss.

**Selection** : A specific bet option within a market (e.g., "Over 2.5 Goals").

**Settlement** : A unique message that guides sportsbooks on how to operate with bets placed by end users, based on predefined logic considering fixture aspects (score, stats, player outputs).

**Snapshot** : A complete data export at a point in time. Used for initial sync.

**Suspension** : When odds are temporarily unavailable for betting.

***

## T

**Tip** : A betting recommendation based on statistical analysis.

**Trading Floor** : The TRADE monitoring interface for live fixture management.

***

## U

**Under/Over (U/O)** : A market betting on whether a statistic will be above or below a specified line.

***

## V

**Virtual Host (vhost)** : A logical partition in RabbitMQ. TRADE uses `Customers`, ENGAGE uses `fixtures` and `tips`.

***

## W

**Widget** : An embeddable UI component for displaying data on external platforms.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.lsports.eu/u/reference/glossary.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.