Round wound refers to a string wound with round wrap wire around the core. This is the most common and popular form of string construction.

Half round strings start out as traditional round wound strings that are then precision ground, leaving the outer surface of the string smooth and flat wound in appearance, while retaining the flexibility of a round wound string.

Flat wound refers to winding a flat or ribbon-like wire onto the core of a musical string.

Hex core wire is a high carbon steel alloy that is six-sided in cross section. When used as a core or centre of a musical string, the six edge points firmly grip every turn of the wrap wire, ensuring a tight wrap and longer-lasting string.

Wrap wire refers to any wire that is used to wrap or wind on top of a core to produce a musical string.

Lock twist - the ball ends of strings are fastened with a standard twist and a series of tightly wound lock twists.

Ballend refers to the brass ferrule affixed to the end of a musical string.