# Concepts

This section covers the fundamental concepts you need to understand when working with TRADE data.

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## Fixtures & Events

| Page                                                                                                  | Description                                      |
| ----------------------------------------------------------------------------------------------------- | ------------------------------------------------ |
| [Fixture Lifecycle](https://docs.lsports.eu/u/trade/concepts/fixture-lifecycle)                       | Fixture states, transitions, and status handling |
| [Fixture Types](https://docs.lsports.eu/u/trade/concepts/fixture-types)                               | Standard fixtures, outrights, and racing events  |
| [Fixture Ordering](https://docs.lsports.eu/u/trade/concepts/fixture-ordering)                         | How to order and subscribe to fixtures           |
| [Participants, Teams & Players](https://docs.lsports.eu/u/trade/concepts/participant-team-and-player) | Entity types and relationships                   |

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## Markets & Odds

| Page                                                                                             | Description                                            |
| ------------------------------------------------------------------------------------------------ | ------------------------------------------------------ |
| [Market Types](https://docs.lsports.eu/u/trade/concepts/market-types)                            | 1X2, Under/Over, Asian Handicap, and more              |
| [Mainline, Baseline & Line](https://docs.lsports.eu/u/trade/concepts/mainline-baseline-and-line) | Understanding lines and handicaps                      |
| [Margin](https://docs.lsports.eu/u/trade/concepts/margin)                                        | Margin calculations and configuration                  |
| [Probability](https://docs.lsports.eu/u/trade/concepts/probability)                              | Probability fields and calculations                    |
| [Odds Suspension Logic](https://docs.lsports.eu/u/trade/concepts/odds-suspension-logic)          | When and why odds get suspended                        |
| [Odds Settings](https://docs.lsports.eu/u/trade/concepts/odds-settings)                          | Understanding odds settings and configuration concepts |

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## Settlements

| Page                                                                         | Description                         |
| ---------------------------------------------------------------------------- | ----------------------------------- |
| [Settlements](https://docs.lsports.eu/u/trade/concepts/settlements)          | Settlement process and status codes |
| [Settlements Rulebook](https://docs.lsports.eu/u/trade/settlements-rulebook) | Sport-specific settlement rules     |

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## Advanced Features

| Page                                                                      | Description                         |
| ------------------------------------------------------------------------- | ----------------------------------- |
| [Safe Message](https://docs.lsports.eu/u/trade/concepts/safe-message)     | Guaranteed message delivery feature |
| [Provider Odds+](https://docs.lsports.eu/u/trade/concepts/provider-odds+) | Raw provider odds access            |
| [Configuration](https://docs.lsports.eu/u/trade/user-guide/configuration) | Platform configuration options      |