The positive degree of comparison refers to the normal form of adjective such as big, tall etc., Comparative equality, superlative relative superiority, superlative absolute superiority. Comparative equality is used to show that two things that are similar to each other. e.g. They have as many children as we do. Superlative relative superiority is used to express the highest degree of something in relation to something else. e.g. most intelligent and more beautiful etc. Superlative absolute superiority is a degrees of comparison in an adjective which stresses on exceptional property without making a direct comparison between two objects. e.g. very and extremely are used in its superlative degree.
