plank

A plank is most commonly a long, flat piece of wood, the kind used in floors, decks, bridges, or old ships. People also know it as a fitness exercise where you hold your body straight and still to work your core. In politics, a plank is one important idea or policy in a party's platform. The image is simple: just as a platform can be built from boards, a political platform is built from key positions.

You might lay down a plank to fix a deck, hold a plank for a minute during a workout, or debate a key plank in a party plan. The phrase "walking the plank" is famous from pirate stories, even though it belongs more to fiction than to common real-life history.

The word "plank" has several meanings, all linked in some way to the idea of something long, flat, and firm. Its basic meaning is a long, fairly thick board of wood. Historically, planks were essential in building ships, docks, floors, fences, and other wooden structures. You might picture a weathered plank in an old pier or a solid one making up part of a deck or floor.

The word is also widely used in fitness. In the plank exercise, you hold your body in a straight line, usually supported by your forearms or hands and your toes. The name comes from the idea that your body should stay as straight and steady as a board. It looks simple, but it can be hard to maintain because it works the muscles of the stomach, back, and shoulders.

There is also a political meaning. In that context, a plank is one of the main policies or principles in a political party's platform. A speaker might refer to an education plank, a tax plank, or an environmental plank. This meaning comes from the same picture of building something solid piece by piece. Whether it refers to a wooden board, an exercise, or a policy point, "plank" usually suggests strength, support, and structure.