Rating Newest Oldest. Best Answer: Girt : A timber or plate connecting the corner posts of an exterior wooden frame, as a braced frame, at a floor above the ground floor. A heavy beam, as for supporting the ends of rafters. Purlin :
Figure Ground. Definition. Figure ground is a visual relationship between foreground and background. This is important to the perception of images, as the edges form the image that we see.
Chassis ground means the ground is connected to outer body of appliances so that all charge can be neutralized and safe. earth ground means the top hole of mains socket which is connected to a metal piece via copper wire covered in sand inside the ground it is done to discharge extra charges.