---
title: Concepts
description: "The model this API exposes: how lists are ordered and paged, how a write avoids clobbering a newer one, and the four checks every request passes."
---

| Page | What it covers |
| --- | --- |
| [Glossary](/guides/concepts/glossary) | The terms used in paths, scopes and refusal reasons, and the pairs that read alike |
| [Objects, fields and records](/guides/concepts/objects-fields-records) | The data model: standard objects, the field kinds, and what a record stores |
| [Views, ordering and pagination](/guides/concepts/views-and-pagination) | Paging, what a view holds, which operators a field kind takes, what can be sorted |
| [Revisions and conflicts](/guides/concepts/revisions) | What a revision is, which six writes check one, and how to handle a `409` |
| [Permissions](/guides/concepts/permissions) | Which organization a token holds, and the four checks every request passes |