This is the 3114th most frequent German word.
costa
The German word "Costa" refers to "rib" or "ridge" (used in anatomical or architectural contexts).
In this sentence, 'Costa' is used as a proper noun, referring to a personal or family name.
Costa ist ein spanischer Name.
Costa is a Spanish name.
Here, 'Costa' refers to the term used for a coastal region, showing its geographical reference.
Die Costa Brava ist eine wunderschöne Küste in Spanien.
The Costa Brava is a beautiful coast in Spain.
In this case, 'costa' is italicized to highlight its use as a linguistic or dictionary term.