A hanging bunch of threads is called a fringe. It is often used as decorative trim on clothing or home furnishings.
a ribbon is made of a bunch of threads weaved together those threads are made from tiny polyester particals.
The long threads are called the warp and the shorter cross threads are called the weft.
The fine threads in a cloth are called fibers. These fibers are woven together to create the fabric.
The decorative top of a column is called the capital.
The decorative curl on the end of a violin is called the scroll.
The decorative wood on a staircase is called "wainscot"
"Decorative" when describing fruit trees, means no fruit. It is called a decorative Red Plum tree.
There's one site called Tennis Now that has a bunch of threads on Nadal and Federer. Maybe there? http://www.tennisnow.com/Forums.aspx
A decorative garland of flowers is a lei.
It is called an etui
The tool for cutting internal threads is called a tap. A tool for cutting external threads is called a die.