Web components include:

Case List: Enable customers to view their ServiceNow cases on non-ServiceNow websites
Case View: Allow customers to see detailed information about their ServiceNow cases. It also includes a process tab that displays relevant playbooks when they are created for the case record.
Case Create: Facilitate the creation of new ServiceNow cases on non-ServiceNow websites

Web Components for Customers plugin for CSM also installs dependency plugins for CSM-specific components.

Web components installed through the Web Components Foundation store app:

Service catalog item: Create ServiceNow cases using Catalogs on non-ServiceNow websites
Playbook intake: Submit cases using Playbook's guided experience. Systematically capture case details and display stages and activities involved in resolving the case
Knowledge article view: Display knowledge articles and their key details like title, content, author, view count, read time, and others.
Data visualization: Display a graphical representation of information from any ServiceNow table using visual elements such as single score, pie chart, donut & semi donut
Object list: Display records from any ServiceNow table, showing either all or the top records. It supports hierarchical layouts, bulk actions, inline editing, and more
Service Catalog Browse: View Service Catalog items and filter by catalogs, category items

Web embeddable admin experience installed through the Web Embeddable Core store app. Administrators can:

Configure component properties
Select the theme associated with the components
Preview the component in real-time
Activate and deactivate the components
Configure CORS rules
Generate Global code for authentication setup and theme configuration
Generate the Embed code with event handlers
Create modules to manage components in multiple websites
Create groups to model external website structure and organize component instances
Create component instances to save & retrieve the configuration of a specific component
Create and manage custom components