There are five characters of puranas, like - सर्ग, प्रतिसर्ग, वंश, मन्वन्तर and वंशानुचरित् which includes the description of evolution of the earth, description of devastation of the earth, list of kings in surya dynasty and moon dynasty, description of happenings during the timespan between the existence of two Manus and description of characters of some valorous kings in particular dynasty. On the basis of सांख्यदर्शन, there is description of सत्व, रजस and तमस. The desscription also covers the list of the kings born in different dynasties since the evolution of the earth.