The meaning of the word Bachan. By word we express - which one and which one more or more. So the concept of number is called Bachan. By which is meant the number of a person , object or creature , is called a word. Such as - trees , pens , birds , students , clothes, etc. There are two types of words. E.g. a. Singular b. Plural a. Singular: What is meant by a single person , object or animal is called singular. Such as- book , ball , gaviti , malakhani etc. B. Plural: By which more than one person , object or animal is meant , it is called plural. For example- in books , fishermen , clothes etc.