Identify the difference between foundation components and core components.

• Provide components that are easier to use.
• Reduces the number of code changes needed to use these components.
• It provides a way to configure a component once it’s used in a template via UI in the template editor.
• Provides clear css naming to style and theme of the components without changing the HTL code.
• Introduces versioning of components.
• Best practice to provide a content model to components via sling model.

How to download the core components  

Go to https://github.com/Adobe-Marketing-Cloud/aem-core-wcm-components.
Click on download Zip and Run the maven command to install the components.
Navigate to the component folder and type mvn clean install -PautoInstallPackage

Once you will successfully install you will be able to see the components under http://localhost:4502/crx/de/index.jsp#/apps/core/wcm/components

How to work with core components.
Resource Status in AEM 6.3

• Provides a way to manage status from client side.
• Display status in a standard way with a single component.
• Retrieve status for-
• Workflow running on page
• Page templates
• Content fragments