A SMALL MAP OF THE LANGUAGE

One noun.
Four perspectives.

Gender belongs to the noun. Case tells you its role in the sentence. Together, they determine the article.

Definite articles by gender and case
CaseMasculineFeminineNeuterPlural
nominativederdiedasdie
accusativedendiedasdie
dativedemderdemden
genitivedesderdesder

Who?

Der Mann liest.
The man is reading. The subject is nominative.

Whom?

Ich sehe den Mann.
I see the man. The direct object is accusative.

With whom?

Ich spreche mit dem Mann.
I speak with the man. The preposition mit takes dative.

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