1. button and twist of distinction:

1. The original intention is different

The button means the part of the seal used to tie the ribbon bulge;

New was meant to be tied up.

2. The extended meaning is different

The extension refers to the machine key, the central part of the object, and turns to the button of the dress, which is the same as the "button".

Later, it is called the belt used for tying the knot as the link, and later it is used to compare the machine key that controls things and ties the central part of things.

2. only refers to the button on the clothes is both right, buttons and buttons can be said.

"Buttons" themselves are produced from metal materials and non-metal materials, so some people usually use "buttons" to represent "buttons" made of metal materials, while "buttons" are used to represent non-metal materials. This is also a matter of personal habits.

In addition, according to the region, most of the domestic are called "buttons", while Hong Kong, Macao and Taiwan are called "buttons".

Extended information:

Button materials are roughly divided into plastic (resin, plastic), metal buttons (copper, iron, alloy), natural (shell, wood, coconut shell, bamboo.

All kinds of materials to make buttons, the process is not the same. Some buttons look the same in appearance, and even people in the industry may not be able to distinguish them clearly with their eyes, so they can only be clearly separated by destroying them and scraping off their coats.

Buttons distinguish between plastic buttons and resin buttons. Plastic buttons and resin buttons. Plastic (including various plastics) buttons are generally die-cast, so there will be a line on the edge of the buttons. Some factories will remove this line in subsequent processing, but its weight will be lighter than resin (of course, some special plastics will be heavier).

The resin buttons are mechanically carved and then polished, so the surface has no full mold line and is smooth. But it is fragile, the surface is easily scratched, and it will become soft in boiling water.

Archaeologists recently discovered the earliest button found in China in Lintao County. After textual research, this button belongs to the Qijia culture type. It has a history of more than 4600 years. The button has a diameter of 2.5cm, a thickness of 1cm in the middle, and a relatively thin edge., There are two small holes similar to buttonholes. The whole button is muddy orange yellow pottery, the color is yellow, the pottery surface is rough.

This pottery button unearthed in Lintao is the only one in the country. This discovery confirms that the ancestors began to sew clothes to hide from the cold more than 4000 years ago. It is of great value for the study of the lives of our ancestors.