is an implement that has been used for millennia to shape, split, and cut wood, to harvest timber, as a weapon, and as a ceremonial or heraldic symbol.Also known as the edge or the blade, is what does the cutting. This part is considered the single most important part of an axe. Keeping it sharp is critical for the durability and efficiency of the axe. Other parts of the axe head include the: Toe: The toe refers to the bit's upper corner.