You can create a new component from an existing file or from selected elements.
Click on the graphic below to start the video.
Grouping, creating own components
Summary
•Selected objects are grouped with the menu command Arrange.Group 
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•You can create a component from the selected objects by clicking within the selected elements and by moving them with the Drag&Drop function into the preview of the Components flyout 
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•Name and file path of the new components can be defined in a special dialog window. Please consider that you need write permissions on the corresponding directory for saving the components.