what is article ?

article is used to describe the object of the subject. there are three type of articles a,an,the. different between a and an. a- it is one object in sentence. an- ( also a single object). but its used only for vowels. an - these are vowels (a,e,i,o,u) in a et. in a sentence vowels are followed by an. example:- see these examples vowels(a,e,I,o,u) are followed by an. 1.i saw an elephant. 2.i ate an apple. 3.I want an ice cream. 4. an object of the sun is so far. 5. I don't have an umbrella. a - is used whenever a subject in a singular form. example : I have a book the - is used for only one subject. example:- the sun. the moon the flipkart.