Ordinaries are one of the main types of charge, it is thought that some of them were derived from strips placed across the shield to strengthen it.
One side of the shield is marked dexter and the other side sinister, two Latin words for right and left. They are in used from the point of view of the person holding the shield, so dexter is for the left hand as you view it, and sinister for the right.
A bend is a broad band which runs diagonally from top dexter to bottom sinister of the shield. A bend going across the shield the other way is called a bend sinister but it is quite rare.
A chief is a horizontal band across the top third of the shield.
A pale is is a vertical band down the centre of the shield.
A fess is a horizontal band across the centre third of the shield. A fess cotised is a fess with two outlying thinner bands
A pall is a Y shaped band on the shield.
A chevron is an inverted V shaped band on the shield.
A pile is a wedge shape at the top of the shield.
A cross is horizontal and vertical bands across the shield (fess and pall).
A saltire is a diagonal cross (bend and bend sinister).
A chief made narrow is called a comble
A chevron made narrow is called a chevronel.
A fess made a narrow is called a bar .
A narrower bar
A narrow pale is called a pallet
A narrow bend is called a bendlet
A narrower bendlet
A bordure is a border around the edge of the shield