# API Reference Overview The API reference section of the documentation contains a list and descriptions of all public available classes, methods and properties of the Telerik Document Processing product. > This documentation refers to the latest version of Telerik Document Processing libraries. The following tables list the most used members of the different libraries. ## RadWordsProcessing

Namespace	Class Name	Description
Telerik.Windows.Documents.Flow.Model	RadFlowDocument	The root object of the library, representing the document.
Telerik.Windows.Documents.Flow.Model.Editing	RadFlowDocumentEditor	Provides methods that allow you to easily modify a RadFlowDocument.
Telerik.Windows.Documents.Flow.Model	Section, Table, Paragraph, Run	Describe document elements.
Telerik.Windows.Documents.Flow.FormatProviders.Docx	DocxFormatProvider	Exposes members for importing and exporting DOCX documents.
Telerik.Windows.Documents.Flow.FormatProviders.Html	HtmlFormatProvider	Exposes members for importing and exporting HTML documents.
Telerik.Windows.Documents.Flow.FormatProviders.Pdf	PdfFormatProvider	Exposes members for exporting PDF documents.
Telerik.Windows.Documents.Flow.FormatProviders.Rtf	RtfFormatProvider	Exposes members for importing and exporting RTF documents.
Telerik.Windows.Documents.Flow.FormatProviders.Txt	TxtFormatProvider	Exposes members for importing and exporting plain text documents.

## RadPdfProcessing

Namespace	Class Name	Description
Telerik.Windows.Documents.Fixed.Model	RadFixedDocument	The root object of the library, representing the document.
Telerik.Windows.Documents.Fixed.Model	RadFixedPage	Represents a page of the document.
Telerik.Windows.Documents.Fixed.Model.Editing	RadFixedDocumentEditor	Represents editor that will allow you to modify RadFixedDocument using an automatic layout in a flow-like manner.
Telerik.Windows.Documents.Fixed.Model.Editing	FixedContentEditor	Intended to simplify the process of creating and editing the content of an IContentRootElement such as RadFixedPage.It provides methods for working with fixed content.
Telerik.Windows.Documents.Fixed.FormatProviders.Text	TextFormatProvider	Provides functionality to export RadFixedDocument to text.
Telerik.Windows.Documents.Fixed.FormatProviders.Pdf	PdfFormatProvider	Provides functionality for importing and exporting PDF documents.
Telerik.Windows.Documents.Fixed.FormatProviders.Pdf.Streaming	PdfStreamWriter	Represents PDF file stream that writes file content directly to a given stream. Enables you to merge PDF pages or add content to existing documents.

## RadSpreadProcessing

Namespace	Class Name	Description
Telerik.Windows.Documents.Spreadsheet.Model	Workbook	The main object that represents the spreadsheet document. It contains collection of Worksheets.
Telerik.Windows.Documents.Spreadsheet.Model	Worksheet	A two-dimensional grid of cells that are organized into rows and columns.
Telerik.Windows.Documents.Spreadsheet.Model	Cells	Represents a collection of cells inside worksheet.
Telerik.Windows.Documents.Spreadsheet.FormatProviders.OpenXml.Xlsx	XlsxFormatProvider	Provides functionality to import or export Workbook objects to XLSX.
Telerik.Windows.Documents.Spreadsheet.FormatProviders.TextBased.Csv	CsvFormatProvider	Provides functionality to import or export Workbook objects to CSV.
Telerik.Windows.Documents.Spreadsheet.FormatProviders.Pdf	PdfFormatProvider	Provides functionality to export Workbook objects to PDF.
Telerik.Windows.Documents.Spreadsheet.FormatProviders.TextBased.Txt	TxtFormatProvider	Provides functionality to import or export Workbook objects to plain text.

## RadSpreadStreamProcessing

Namespace	Class Name	Description
Telerik.Documents.SpreadsheetStreaming	SpreadExporter	Represents an entry point to export a spreadsheet document.
	IWorkbookExporter	Defines members used to export a workbook.
	IWorksheetExporter	Defines members used to export a worksheet.
	IRowExporter	Defines members for the row exporter classes.
	IColumnExporter	Defines members used to export a column.
	ICellExporter	Defines members used to export a cell.

## RadZipLibrary

Namespace	Class Name	Description
Telerik.Windows.Zip	ZipArchive	Represents a package of compressed files in the zip archive format.
	ZipArchiveEntry	Represents a compressed file within a zip archive.
	CompressedStream	Represents stream that allows you to read/write compressed information from/to given input stream.
Telerik.Windows.Zip.Extensions	ZipFile	Provides static methods for creating, extracting, and opening zip archives.