The lesson deals with the people and their behaviour living on seashore and its neighboured called Neithal Thinai. The basic, core and special subject of this landscape are also presented. Special lifestyles relevant to this environment are described Literary aspects and facts are brought out through appropriate illustration.

Coastal life and its vicinity form the settings for a number of poems in the sangam literature. The poet Ammoovanaar has composed 100 poems in Ayinkirunooru, Naltanthuvanaar has done all the 33 poems of Neithalkali in Kalithokai.

The basic subjects of land and time are coastal neighbourhood and all the six seasons of the year besides dusk called Erpaadu. The core subjects like God., people. animals, plants and work are the following: the rain-god called Varunan, different groups of people like Duraivan, Cherppan, Parathavar, Nullayar and Alavar, birds like sea crow and swan, animals such as whale and crocodile, living place called Pattinam and Paakkam, the water source of sandwell. flowers of Neithal and Thaazhai, trees of punnai and Thaazhai, food being obtained by selling fish and salt, drum called Meenkotparai, musical rhythm being Chevazhippan, lyre being Vilariyaazh and jobs being fishing and selling salt. The special subjects are sympathising and actions related to this mood. As the hero would have gone to deep seas for fishing, the heroine feels for his sufferings in sun, rain and wind Delay in the hero's return makes her sorrowful.

On learning this lesson you will be able to appreciate the reflection of Tamil life in all its subtle aspects in Sangam literature with reference to different living environments.