In terms of overall quality and versatility, Wenge is generally considered the superior choice among Elm, Wenge, and Camphorwood. Wenge is a dense, hard wood with a rich, dark brown color and distinctive black striping, making it highly sought after for both furniture and flooring. Elm, while durable and versatile, lacks the unique aesthetic appeal of Wenge. Camphorwood, on the other hand, is softer and less durable, making it less suitable for heavy-duty applications.

Wenge's superior qualities are attributed to its high density and hardness, which make it resistant to wear and tear. According to the Janka hardness scale, Wenge ranks at 3,680 lbf (16,900 N), making it one of the hardest woods in the world. This high hardness translates to excellent durability, making Wenge a great choice for high-traffic areas. Elm, by comparison, ranks at 1,290 lbf (5,700 N) on the Janka scale, which is significantly lower. This lower hardness makes Elm more susceptible to dents and scratches, especially in areas with heavy foot traffic.

Additionally, Wenge's rich color and distinctive grain pattern provide a unique aesthetic appeal that is difficult to match. Elm, while it can be stained to achieve a variety of colors, does not have the same inherent beauty as Wenge. Camphorwood, with its lighter color and less pronounced grain, is less visually striking and lacks the same level of sophistication as Wenge.

Furthermore, Wenge is known for its stability and resistance to moisture, making it an excellent choice for outdoor furniture and flooring. Elm, while it can be used outdoors, is more prone to warping and cracking when exposed to moisture. Camphorwood, being softer, is even more susceptible to these issues.

In conclusion, Wenge is the better choice among Elm, Wenge, and Camphorwood due to its superior hardness, durability, aesthetic appeal, and stability. Its unique color and grain pattern, combined with its high resistance to wear and tear, make it a popular choice for high-quality furniture and flooring.