coast
The German word 'Küste' is used to refer to the coast, which is the land along the edge of a sea, lake, or other large body of water. It is a noun and can be used in a similar way to the English word 'coast'. For example, one might say 'Ich liebe es, an der Küste zu sein' (I love being at the coast).
The coast is very beautiful.
This is a simple statement describing the beauty of the coast. 'Die' is the definite article 'the', 'Küste' means 'coast', 'ist' is the verb 'is', and 'sehr schön' translates to 'very beautiful'.
We are driving to the coast.
This sentence expresses a future action about going to the coast. 'Wir' translates to 'we', 'fahren' to 'are driving', 'zur' is a contraction of 'zu der' and translates to 'to the', and 'Küste' is 'coast'.
He lives at the coast.
This sentence tells us about a person who resides at the coast. 'Er' translates to 'he', 'lebt' to 'lives', 'an' together with 'der' translates to 'at the', and 'Küste' is 'coast'.