# Release Types, Packages and Files

- [Overview](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/release-types-packages-and-files/3-release-types-packages-and-files.md)
- [Common Features of All Release Files](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/release-types-packages-and-files/3.1-common-features-of-all-release-files.md)
- [General Structure of Release Files](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/release-types-packages-and-files/3.1-common-features-of-all-release-files/3.1.1-general-structure-of-release-files.md)
- [Release File Data Types](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/release-types-packages-and-files/3.1-common-features-of-all-release-files/3.1.2-release-file-data-types.md)
- [Fields Present in All Release Files](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/release-types-packages-and-files/3.1-common-features-of-all-release-files/3.1.3-fields-present-in-all-release-files.md)
- [Meaning of the Active Field](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/release-types-packages-and-files/3.1-common-features-of-all-release-files/3.1.4-meaning-of-the-active-field.md)
- [History Mechanism](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/release-types-packages-and-files/3.1-common-features-of-all-release-files/3.1.5-history-mechanism.md)
- [Module Identification](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/release-types-packages-and-files/3.1-common-features-of-all-release-files/3.1.6-module-identification.md)
- [Release Types](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/release-types-packages-and-files/3.2-release-types.md)
- [Naming Conventions for Release Packages and Files](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/release-types-packages-and-files/3.3-naming-conventions-for-release-packages-and-files.md)
- [Release Package Naming Conventions](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/release-types-packages-and-files/3.3-naming-conventions-for-release-packages-and-files/3.3.1-release-package-naming-conventions.md)
- [Release File Naming Convention](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/release-types-packages-and-files/3.3-naming-conventions-for-release-packages-and-files/3.3.2-release-file-naming-convention.md)
- [Release Package Contents](https://docs.snomed.org/snomed-ct-specifications/snomed-ct-release-file-specification/release-types-packages-and-files/3.4-release-package-contents.md)