# Key Components

{% content-ref url="../../products/lidia-commerce-engine" %}
[lidia-commerce-engine](https://docs.lidiacommerce.com/products/lidia-commerce-engine)
{% endcontent-ref %}

Serves as the backbone, managing all critical marketplace functionalities such as catalog, order, inventory, and payment processing. 

Offers integration with payment gateways, logistics providers, and other third-party services. 

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{% content-ref url="../../components/lidia-console" %}
[lidia-console](https://docs.lidiacommerce.com/components/lidia-console)
{% endcontent-ref %}

Provides centralized administration for managing marketplace operations, including catalog and customer data. 

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{% content-ref url="../../components/lidia-merchant-console" %}
[lidia-merchant-console](https://docs.lidiacommerce.com/components/lidia-merchant-console)
{% endcontent-ref %}

Allows merchants to onboard, manage inventory, fulfill orders, and handle customer interactions. 

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{% content-ref url="../../components/lidia-api" %}
[lidia-api](https://docs.lidiacommerce.com/components/lidia-api)
{% endcontent-ref %}

Facilitates seamless integration with external systems like ERPs, CRMs, and custom applications through its open API framework. 

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{% content-ref url="../../components/lidia-custom-ui" %}
[lidia-custom-ui](https://docs.lidiacommerce.com/components/lidia-custom-ui)
{% endcontent-ref %}

Supports the creation of tailored user interfaces to meet specific marketplace branding and user experience needs. 

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{% content-ref url="../../components/lidia-worker" %}
[lidia-worker](https://docs.lidiacommerce.com/components/lidia-worker)
{% endcontent-ref %}

 Automates backend workflows and processes, ensuring efficient operations.