Coats of Arms - Partition Lines

Partition Lines are those that divide a the field or charge; and are always Right or Straight Lines, unless when otherwise described; those that vary from the Right Lines are called:

Dovetailed (French: mortaisé)

Embattled (French: crénelé)
Represents the battlements of towers, churches and houses

Engrailed
Represents Earth or Land

Indented (French: émanché)
Symbolizes fire

Invected
Also used to represent earth or land

Nebuly or Nebulé
Represents the clouds and air

Potenty or Potenté
Is symbolic of fur

Raguly
Difficulties that may have been encountered, i.e. in battle etc.

Wavy or Undy (French: ondé)
Represents the sea or water