To add a component of the "news" go to "Components" application designer.
And add the component "News" if this component has not been added previously.
In the menu that opens, select the "add news manually"
Go directly to the news editing menu.
Open news editing menu. Click "Add news".
For each of the news, you can add an image, name, description and text of the news itself.
After adding all the required information, click "Add news" button to save.
Each of the news can be edited or deleted.