When choosing a PCB layout software, there are several factors to consider and there and many available. The most popular is the ability to convert all of your files to PCB easily.

Once a circuit is designed the means to connect all devices comes under a layout on a PCB printed circuit board. the layout means locating and connecting all of the designed circuit.

use a CAD software like EAGLE

Short for printed circuit board, a PCB is a component in most electronic components. Typically, PCB layouts are used to help support the components mechanically.

pcb is a copper sheet. once we prepare the layout, we need the tracks which gets covered by copper.Therefore, to remove excess copper from the pcb etching is done.