
das Herzstück
centerpiece
The central, most important, or most valuable part of something. It is the core around which everything else revolves.
Der Motor ist das Herzstück dieses Autos.
The engine is the centerpiece of this car.
centerpiece / heart
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centerpiece
The central, most important, or most valuable part of something. It is the core around which everything else revolves.
Der Motor ist das Herzstück dieses Autos.
The engine is the centerpiece of this car.

heart meat
The heart of a slaughtered animal that is used as food.
Für das Ragout verwendete der Koch ein Herzstück vom Kalb.
For the ragout, the cook used a piece of veal heart.
The word is made up of 'Herz' (heart) and 'Stück' (piece). Just as the heart is the most important muscle in the body, 'Herzstück' (centerpiece/heart) describes the most important, central part of something.
Diese Maschine ist das Herzstück unserer Produktion.
This machine is the centerpiece of our production.
To say what something is the centerpiece of, German usually uses the genitive or the preposition 'von' (of/from). The genitive construction often sounds a bit more formal.
Der alte Marktplatz ist das Herzstück der Stadt.
The old market square is the heart of the city.
In its figurative meaning, 'Herzstück' (centerpiece) is often used for the core of a collection, a company, an exhibition, or a strategy.
Das teuerste Gemälde bildet das Herzstück der Ausstellung.
The most expensive painting forms the centerpiece of the exhibition.
You can recognize the literal meaning 'heart of an animal' from the context. It is used almost only in cooking, in recipes, or at the butcher's.
Auf der Speisekarte stand ein Ragout vom Herzstück.
The menu featured a ragout made from heart meat.
heart
In cooking, Herz and Herzstück can refer to the same organ of an animal. Herz is the neutral term for the organ or ingredient, while Herzstück is specifically the culinary term for this food. Use Herz in general and Herzstück when the dish itself is the focus.

Für das Gericht wird das Herzstück des Tieres in kleine Stücke geschnitten.
For the dish, the animal's heart is cut into small pieces.
Für das Gericht wird das Herz des Tieres in kleine Stücke geschnitten.
For the dish, the animal's heart is cut into small pieces.