What are the characteristics of nouns?

The main characteristics of nouns are:

Case:

• Subject, noun as the subject of a sentence or clause.
• Object, noun as the object of a verb or a preposition.
• Possessive, noun indicating that something in the sentence belongs to that noun.

Number: nouns are singular or plural; countable or uncountable

Gender: nouns are Words for a male, a female, are neuter (common gender: doctor, teacher, employee; or no gender, neutral: car, table, building)