Simplify the following text for a Grade 8 native English-speaking person.
Original: Except where specifically prohibited in the field descriptions below , most fields can be wikilinked ( e.g. ) , but should generally only be linked to an existing Wikipedia article . Wikilinked fields must escape the characters rather than including them directly .
Simplified: Most fields can be wikilinked ( i.e. title = book title ) , but should generally only be linked to an existing Wikipedia article .