What is a subject ?

subject :- subject is the part of the sentence that speaks about something or somebody is called the subjects..we have 7 subjects in English.
1) I
2) We
3) You
4)They
5) He
6) She
7) It

noun,pronoun,subject,predicate,verb,adjective,adverb,preposition,conjunction,interjection,object,sentence,assertive sentence,interrogative sentence,imperative sentence,exclamatory sentence,