Exploded view 1
1. Note that the different parts are drawn using isometric drawing technique
2. All parts are labelled with a letter (typically it should be a number enclosed in a bubble). Each letter is referenced to a table containing the name of each part.
2. Note the use of a guide line to serve as a reference for all parts to align together. The guide line passes thru the centre of the hole of all parts.
Courtesy of http://cliparts101.com/free_clipart/9472/Pocket_Knife__Exploded_View.aspx
Exploded View 3
1. Note how the thin lines and dotted lines are used to indicate how the parts are aligned and assembled.
Exploded View 5