What do you mean by Zuo Qinglong, Right White Tiger, Former Suzaku and Later Xuanwu?

In geomantic omen, it is a four-spirit beast, and the Qinglong is a wood, which is located in the east and on the left, and is an auspicious beast; The white tiger belongs to gold, bearing to the west and right, and is a fierce beast; Suzaku is a fire, the direction is in the south, but it is also in front. It's a beast, but it's actually a phoenix. Xuanwu belongs to water, located in the north and behind. It's a turtle, a snake and a fierce beast.