How to create a SolidWorks Design Library Feature

In this video Elite Applications Engineer Christian van der Horst shows us how we can easily create a Design Library feature to assist in other designs later down the track where common features or looks/designs are required.
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[@miho8803]

Thank you sir, I've learned a lot.

[@TheViceman]

Thanks for the tutorial, but Im having problems with Holewizard features to use this way. What I want to do is to create 8mm x 28mm holes ten times in a line where distance between holes is 96mm. Some how when I want to put my holes into new part, there are many references. I need to place these holes into edge of new part. First hole to be 7mm from first edge and 32mm from second edge. Can you give any protips to do this?