New Jerusalem is a concept that has deep roots in the Bible and is often used to signify a perfect, utopian city or society. However, there are several synonyms used to describe this concept. Some of the most common include Heavenly Jerusalem, City of God, Zion, Holy City, and Kingdom of Heaven. These terms are all used to convey the same idea or meaning - a place of ultimate peace, harmony, and righteousness. Moreover, these terms are often associated with the second coming of Christ and the establishment of a new order, where all wrongs are righted, and all is made perfect.