What is a U-shaped section of rope with parallel sides?

A U-shaped section of rope with parallel sides is accurately described as a bight. In rope terminology, a bight refers specifically to a section of rope that forms this U-shape, allowing for various applications in knot tying and securing items. Understanding the term 'bight' is crucial for those engaged in technical rescue operations, as it plays a role in creating knots and securing lines without compromising the integrity of the rope.

The other terms hold different meanings: a loop typically refers to a full circle or loop of rope used for various binding or securing purposes. A turn usually describes the way rope is wound around an object; this could involve multiple wraps rather than just a single U-shape. A hitch is a specific type of knot designed to secure a rope to an object. Recognizing these distinctions enhances one's proficiency in rope management and knot techniques essential in rescue environments.