Your Family Tree Explained
I came across the following helpful explanation of the relationships that occur in our family tree. For the less experienced genealogists, it's a quick helpful guide into knowing who is related to whom in your family tree, particularly invaluable as your family tree grows in size as you develop your research.
The You Tube channel provided by CGP Grey offers a number of explanations on all sorts of questions. The video below explains the links in our family history and how to summarise your family tree.