# Modular design

The DWS WP Framework has a modular design and thus consists of multiple so-called modules. Currently, there's 7 different modules that more-or-less build on top of each other. In relative order, they are:

1. [Bootstrapper Module](https://packagist.org/packages/deep-web-solutions/wp-framework-bootstrapper) -- validates that appropriate versions of PHP and WordPress are running or displays a user-friendly error if not.
2. [Helpers Module](https://packagist.org/packages/deep-web-solutions/wp-framework-helpers) -- a collection of small, helpful, static snippets that can be reused across various projects.
3. [Foundations Module](https://packagist.org/packages/deep-web-solutions/wp-framework-foundations) -- a collection of abstractions useful for building semantically-rich plugins; technically, simple plugins can already be built at this level.
4. [Utilities Module](https://packagist.org/packages/deep-web-solutions/wp-framework-utilities) -- a collection of services for working with template files, value validation, admin notices, dependencies, hooks etc.
5. [Core Module](https://packagist.org/packages/deep-web-solutions/wp-framework-core) -- an opinionated collection of abstractions for building plugins; relies on the abstractions defined by the Foundations Module and some services from the Utilities Module but its usage is optional.
6. [Settings Module](https://packagist.org/packages/deep-web-solutions/wp-framework-settings) -- provides a unified way for interacting with various settings APIs like [ACF](https://www.advancedcustomfields.com/), [MetaBox](https://metabox.io/), and [WordPress](https://codex.wordpress.org/Settings_API) itself.
7. [WooCommerce Module](https://packagist.org/packages/deep-web-solutions/wp-framework-woocommerce) -- a bridge between the DWS Framework and the WooCommerce API.

The reasoning is simple. If you're building a plugin that's meant to be an extension for [WooCommerce](https://woocommerce.com/), then you probably want to include the WooCommerce module. If not, why would you want that code in your plugin? Similarly, you might want a very simple plugin that doesn't require any settings, so no settings module either. And so on...


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