| Object | Description | ||
| Document | This object creates or reads a document as input and writes either PDF (which may be read again) or PostScript (which may not be re-read) as output. | ||
| Page | This term denotes a single side of a single sheet of media. Among its properties, a page may be moved from one document to another or re-sequenced within a document, and annotations may be added or removed. | ||
| Container | Provides structural grouping | ||
| Graphical | Variety of objects which make a mark on the page, such as Text, Lines, Backgrounds and Pictures | ||
| Path | Mechanism for creating arbitrary line drawings with PDF | ||
| Image | Renders graphics for PDF | ||
| Form | An arbitrarily complex collection of other graphic operators which may be positioned and scaled freely | ||
| Bookmark | A collection of bookmark operators acts like a Table of Contents with live links in electronic display | ||
| Thread | Within a document, collects non-contiguous elements into a stream | ||
| Font | Describes a specific font and encoding needed to image text | ||
| Thumbnail | A low-resolution bitmap of a page used to identify the contents of a page |