The width and the height of the physical sheet.
The width and height of the digital image of a page.
All digital information of the page, e.g., text, images, frames, etc. The digital image contains all digital information.
A blank page is an empty page created by the user and inserted in the PDF file. A blank page has no content but can have tab caption, [Bleed tabs], stamps and header and footer.
A blank sheet is a sheet for which each sheet side contains a blank page.
This is an automatically created empty sheet side that can appear and disappear, depending on the page allocation. You cannot select a ghost page because you cannot perform any operation on it.
For example, for transparent sheets, you can specify media to be [1-sided]. This application allocates only one page to this sheet, leaving the other sheet side empty. The ghost page side is indicated with the following icon: 
|
Setting |
Description |
|---|---|
|
[Grayscale] |
Grayscale images are also known as black-and-white images. Such images are composed exclusively of shades of gray, varying from black at the lowest intensity to white at the highest. |
|
[RGB] |
The RGB color model is an additive color model in which red, green, and blue are added together in various ways to reproduce a broad array of colors. |
|
[CMYK] |
The CMYK color model is a subtractive color model in which cyan, magenta, yellow and key black are used in various ways to reproduce a broad array of colors. |
One sheet contains one or more pages.
You map the pages of your document to physical sheets. For example, one A3 sheet can contains four A4 pages.