in English "a, an" -- does not exist in Latin
in English "the" -- does not exist in Latin
the ending on a noun that identifies its use in the sentence (nominative, genitive, dative, accusative, ablative)
singular or plural
masculine, feminine, or neuter
a class of nouns or pronouns or adjectives having the same set of endings
How are Latin nouns classified?
Latin nouns are classified in five declensions.
How is the 1st Declension marked?
The 1st Declension is marked by the ending -ae in the genitive singular.
First Rule of Concord
The verb agrees with its subject in person and number.