ISO 19005-3:2012 文書管理—長期保存のための電子文書ファイル形式—パート3：埋め込みファイルをサポートするISO 32000-1の使用（PDF / A-3） | ページ 6

3.1

conformance level

identified set of restrictions and requirements to which files and readers are required to comply

3.2

electronic document

electronic representation of a page-oriented aggregation of text, images and graphic data and metadata useful to identify and understand that data, that can be reproduced on paper or other substrates, as well as rendered electronically on display devices, without significant loss of its information content

3.3

end-of-file marker

five character sequence %%EOF marking the end of a PDF file

3.4

EOL marker

end-of-line marker

one or two character sequence marking the end of a line, consisting of a CARRIAGE RETURN character (0Dh) or a LINE FEED character (0Ah) or a CARRIAGE RETURN followed immediately by a LINE FEED

3.5

extension schema

conforming XMP schema that is not defined in the XMP Specification nor ISO 19005-1 or ISO 19005-2

3.6

font

identified collection of graphics that may be glyphs or other graphic elements

[SOURCE:ISO 32000-1]

3.7

font program

software program written in a special-purpose language, such as the Type 1, TrueType, or OpenType font format, that is understood by a specialized font interpreter

Note 1 to entry: See ISO 32000-1:2008, 9.2.1.

3.8

interactive reader

reader that requires or allows human interaction with the content and other objects contained in the document during the software's processing phase

Note 1 to entry: A file viewing tool is an example of an interactive reader; a raster image processor is an example of a reader that is not interactive.

3.9

Level A conformance

conformance level encompassing all requirements of this part of ISO 19005

3.10

Level B conformance

conformance level encompassing the requirements of this part of ISO 19005 regarding the visual appearance of electronic documents, but neither their structural or semantic properties nor the requirement that all text have Unicode equivalents

3.11

Level U conformance

conformance level encompassing the requirements of this part of ISO 19005 regarding the visual appearance of electronic documents, with the requirement that all text in the document have Unicode equivalents

3.12

long-term

period of time long enough for there to be concern about the impacts of changing technologies, including support for new media and data formats, and of a changing user community, on the information being held in a repository, which may extend into the indefinite future

3.13

PDF

Portable Document Format

file format defined in ISO 32000-1

3.14

reader

software application that is able to read and process PDF/A files

3.15

writer

software application that is able to write PDF/A files

3.16

XMP packet

structured wrapper for serialized XMP metadata that can be embedded in PDF as well as other file formats