How to explain the feng shui array?

The explanation of feng shui array is; Commonly used geomantic array to ward off evil spirits and stifle qi: calm geomantic array (giving people a sense of calm and peace, easy to fall asleep, giving people a sense of stability and no ups and downs), family guardian geomantic array (ward off evil spirits and stifle qi), disaster relief geomantic array, safe geomantic array for going out, and regulating the five elements of geomantic omen. ...