Syndeton- extension of sentences through the use of coordinating conjunctions (For, And, Nor, But, Or, Yet, So).
Syndetic sentence- one conjunction.
Darkness stole across the land, through villages AND into homes.
Polysyndetic sentence- all conjunctions.
Darkness stole across the land AND through villages AND into homes.
Asyndetic sentence- no conjunctions.
Darkness stole across the land, through the villages, into homes