How to make a capped invitation?

How to make a capped invitation? The back cover refers to the design that the corresponding text is printed on the left or lower side of the cover as a support, and the publicity content is arranged at the bottom or right side of the back cover. If the back cover is a cover or a book title, it can be placed on the right. If the back cover is a bookmark, you can also put your name and back cover on the left. The contents of the back cover can be placed in the lower part of the back cover. The contents of the cover can be placed in the lower part of the back cover. If the back cover doesn't have its own name, but the back cover is the publicity material of the cover, then it doesn't have its own name. You can choose the back cover and the back cover form. This is called the back cover option. The contents of the cover can be placed in the lower part of the back cover. If the back cover doesn't have its own name, but the cover is the content of the cover, the pattern on the cover can be a general pattern, a general background or some pictures.