They are medium sized soft bodied, Social insects living in large colonies. they travel through a network of galleries up of mud avoid light. Termites damage valuable human belongings, like wood. Building material , stored grains, transmission poles, trees, paper book, railway sleepers, ships etc.
Termites enter building unobserved from the ground. they perforate the foundation through joints, floor and wall cavities and even penetrate tiny cracks in concrete. Termite build covered runways, which are made up of soil. These runways as communication line/passage tunnel between nest and food.