There are two types of nouns:
Common nouns
Common nouns are names of general people, animals, things or ideas.
They do not start with capital letter.
Example: teachers, classroom, table
Proper nouns
Proper nouns are the special names of people, animals, places or things.The special name refers to a particular person, place or thing.
Proper nouns start with capital letters.
Example : Mdm Fadilah, Miss Lye, Beacon Primary School, Bukit Panjang