ABP is a **modular application framework** which consists of dozens of **NuGet & NPM packages**. It also provides a complete infrastructure to build your own application modules which may have entities, services, database integration, APIs, UI components and so on.
There are **two types of modules.** They don't have any structural difference but categorized by functionality and purpose:
There are **two types of modules.** They don't have any structural difference but are categorized by functionality and purpose:
* [**Framework modules**](https://github.com/abpframework/abp/tree/master/framework/src): These are **core modules of the framework** like caching, emailing, theming, security, serialization, validation, EF Core integration, MongoDB integration... etc. They do not have application/business functionalities but makes your daily development easier by providing common infrastructure, integration and abstractions.
* [**Application modules**](https://github.com/abpframework/abp/tree/master/modules): These modules implement specific application/business functionalities like blogging, document management, identity management, tenant management... etc. They generally have their own entities, services, APIs and UI components.
@ -75,7 +75,7 @@ Setting values are cached using the [distributed cache](../Caching.md) system. A
## Setting Management Providers
Setting Management module is extensible, just like the [setting system](../Settings.md). You can extend it by defining setting management providers. There are 5 pre-built setting management providers registered by the order below:
Setting Management module is extensible, just like the [setting system](../Settings.md). You can extend it by defining setting management providers. There are 5 pre-built setting management providers registered it the following order:
* `DefaultValueSettingManagementProvider`: Gets the value from the default value of the setting definition. It can not set the default value since default values are hard-coded on the setting definition.
* `ConfigurationSettingManagementProvider`: Gets the value from the [IConfiguration service](../Configuration.md). It can not set the configuration value because it is not possible to change the configuration values on runtime.