| [**Geometries**]({%slug radpdfprocessing-concepts-geometry%}) | Enable you to describe the geometry of a 2D shape. |

| [**Form XObjects**]({%slug radpdfprocessing-model-form%}) | The Form XObjects enables you to describe composite objects (consisting of text, images, vector elements, etc.) within a PDF file and reuse this content among the document, for smaller document size and better rendering performance. |

| [**Interactive Forms**]({%slug radpdfprocessing-model-interactive-forms-overview%}) | Create and modify PDF files containing textboxes, buttons, list boxes, and other interactive controls making available for the PDF file user to interactively fill some data in the PDF document and/or digitally sign the filled document. You can flatten the fields as well. |

|[**Embedded File Streams**]({%slug radpdfprocessing-embedded-file-streams-overview%})|The embed a file stream feature allows adding external files to the PDF document.|

| [**Clipping**]({%slug radpdfprocessing-concepts-clipping%}) | You can define the outline of other content elements like images and paths. |

| [**Bookmarks (Outlines)**]({%slug radpdfprocessing-features-bookmarks%}) | Add, remove or modify the bookmarks in a PDF document. |