System of axis is very important in building drawing. It will help engineer surveyor to locate building on site. So in the drawing can not lack grid line and axis name. You need to creat a symbol of axis’s name by block attributeAutoCAD and save it your library to use when you needed. You can practice with video tutorial below or download free follow link below. My advice that text’s size is 2.5mm, circle’s diameter is 6mm.