LINE TYPES In the Graphic Communication exam you may well be asked what each of the most common line types are used to represent. Their purposes are listed below and you should do your best to memorise them – if you have not already. Full Line used to indicate the outline of objects Faint Line used in the construction of objects Broken Line used to indicate hidden edges Chain Line used to indicate lines of symmetry in objects Section Line used to indicate cutting planes back to menu Fold Line used to indicate fold lines within objects