Tolkappiyam is divided into three sections namely letter, word and meaning. Literacy and rhetoric characterize the Tamil language. Economics tells the life of the Tamil people. Also explains how biographical texts are located. There are 9 properties in economy.
In the first, endogenous and exogenous explain the intrinsic poor and the extrinsic respectively. Fields in the third and pedagogy in the fourth are the sub-category descriptions of the subject.
The fifth explains the method of finding meaning for semantic abstractions. The sixth truth refers to truths that are visible in the inner and outer world. Beipadu is the manifestation of inner feelings in the body (in reality).
The seventh simile illustrates the manner in which meaning is expressed verbally. The eighth chapter explains how ancient hymns and texts conveyed internal and external messages.
In the Ninth Genealogy the differentiation of organisms and their juvenile, male, and female discrimination case names are explained. Also the names given to their leaves, pods, fruits, etc. are also given by distinguishing some living beings as trees and grasses. All the five objects are fired in the order of earth, fire, water, velli and vishumbu.
It can be said that the materialism which explained the youth, male and female of living beings, explains the life of ancient Tamils.