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# SAP Cloud Application Programming Model > Build enterprise-grade cloud applications with maximized productivity, fueled by proven best practices, served out of the box. ## Docs - [In a Nutshell...](https://cap.cloud.sap/docs/get-started/) - [Bookshop Sample](https://cap.cloud.sap/docs/get-started/bookshop) - [Core Concepts](https://cap.cloud.sap/docs/get-started/concepts) - [Key Features](https://cap.cloud.sap/docs/get-started/features) - [Learn More](https://cap.cloud.sap/docs/get-started/learn-more) - [Get Help](https://cap.cloud.sap/docs/get-started/get-help) - [Develop](https://cap.cloud.sap/docs/guides/) - [Domain Modeling](https://cap.cloud.sap/docs/guides/domain/) - [Domain Entities](https://cap.cloud.sap/docs/guides/domain/index#domain-entities) - [Associations](https://cap.cloud.sap/docs/guides/domain/index#associations) - [Aspects](https://cap.cloud.sap/docs/guides/domain/index#aspects) - [Managed Data](https://cap.cloud.sap/docs/guides/domain/index#managed-data) - [Best Practices](https://cap.cloud.sap/docs/guides/domain/index#best-practices) - [Temporal Data](https://cap.cloud.sap/docs/guides/domain/temporal-data): CAP provides out-of-the-box support for declaring and serving date-effective entities with application-controlled validity, in particular to serve as-of-now and time-travel queries. - [Services & APIs](https://cap.cloud.sap/docs/guides/services/) - [Define Provided Services](https://cap.cloud.sap/docs/guides/services/providing-services) - [Served Out-of-the-Box](https://cap.cloud.sap/docs/guides/services/served-ootb) - [Status Flows](https://cap.cloud.sap/docs/guides/services/status-flows) - [Constraints](https://cap.cloud.sap/docs/guides/services/constraints) - [Event Handlers](https://cap.cloud.sap/docs/guides/services/custom-code) - [Actions & Functions](https://cap.cloud.sap/docs/guides/services/custom-actions) - [Serving Media Data](https://cap.cloud.sap/docs/guides/services/media-data) - [Serving UIs](https://cap.cloud.sap/docs/guid