Referring to the illustration the item indicated by the arrow `C` is commonly called a _____. ( You will see a drawing of a concrete footing with a block on top of the footing, on top of this block will be another U shaped block filled with cement. The U shaped block is the bond beam. )

Referring to the illustration the item indicated by the arrow `C` is commonly called a _____. ( You will see a drawing of a concrete footing with a block on top of the footing, on top of this block will be another U shaped block filled with cement. The U shaped block is the bond beam. )