1 saddle stitch: a book with relatively few pages and thin thickness.

2 ring packaging: punch holes in the back of the book.

3 binding: it is divided into wireless binding and sewing binding (better than wireless firmness).

Hardcover: square back and round back

If we emphasize common use,

I guess you mean the books sold in the bookstore.

Or textbooks for students,

Mainly wireless plastic bags, thin exercise books can be ridden.

Thick paper (200-250g coated paper) has a lot of locking glue.

If it's cardboard, it's hardcover

It should be wireless.