What is a via?

Select one answer.

• A plated hole that carries a connection vertically through a board, joining copper on one layer to another.
• A small plastic sticker placed on top of the board to label which components go in which positions.
• A length of surface copper that carries a signal sideways from one component to another on a single layer.
• A metal clip that holds two separate circuit boards together mechanically without making any electrical link.