Glossary of Terms
The following terms are defined to improve general understanding of the standard:
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
- A
- ADR
- Additional Detail Reference.
- ATA
- Air Transport Association
- ATA’s GWG
- ATA Graphics Working Group maintaining ATA drawing and image specifications and CGM profiles.
- B
- Bi-Tonal
- An image that contains only black and white pixels or dits (two tone).
- C
- Callout
- An element (generally a circle with number inside) within an illustration that corresponds to textual information or another graphic.
- CALS
- Computer-aided Acquisition and Logistic Support. Department of Defense initiative to provide the framework for future electronic business process through the use of common information technology standards.
- CCITT
- Consultative Committee on International Telephone and Telegraphy.
- CGM
- Computer Graphics Metafile for the storage and transfer of vector image information.
- CGM Tile Array
- A method of tiling oversized artwork by breaking the image area into parts (tiles). Adjacent tiles repeat a small portion of the image and contain crop marks as well that assist in the reproduction of the overall image from the tiles.
- D
- DBR
- Detail Breakdown Matter.
- DoD
- Department of Defense.
- E
- EPC
- Electronic Parts Catalog.
- EPCES
- Electronic Parts Catalog Exchange Standard.
- F
- FOSI
- Format Output Specification.
- Front Matter
- General catalog information at the front of the catalog that is “free flowing” text serving as explanation or clarification of the catalog in part, or as a whole.
- G
- Gray Scale Images
- The spectrum, or range, of shades of black that an image has. Optical patterns can differentiate from 16 to 256 level of gray.
- GRExchange
- ATA specifications for GRaphics Exchange.
- H
- Hot Spot
- Rectangular area on a grid overlaying a graphic or embedded with text that allows a linkage to the display of another graphic, text or file.
- HyTime
- Hypermedia/Time-based Structuring Language (ISO/IEC 10744:1992) is the international standard for the platform-neutral representation of hypertext and multimedia information. An extension of SGML.
- I
- ID/IDREF
- Information identifications enabling the navigation between different pieces of information within SGML.
- IGES
- Intelligent Graphics Exchange Standard used in the engineering world for the exchange of fully loaded engineering drawings.
- ILR
- Illustration Reference.
- IPC
- Illustrated Parts Catalog, the ATA’s term for EPC.
- ISO
- International Standards Organization.
- J
- JPEG
- Joint Photographic Exchange Group compression.
- M
- MIL-STD-1840B/C
- Military Standard for Automated Interchange of Technical Information.
- N
- ISM RIF SoIS
- National Association of Purchasing Managers Rail Industry Forum Subcommittee on Information Standards.
- NIST
- National Institute for Standards Testing.
- O
- OEM
- Original Equipment Manufacturer.
- P
- Provider
- Provider of the catalog.
- R
- Raster Images
- An image converted to a stream of bits that represent either black or white pixels or dots in a column-and-row format that is compressed for transmission.
- RIF
- Rail Industry Forum.
- S
- SGML
- Standard Generalized Markup Language.
- SGML DTD
- Document Type Definition is a representation of an information structure or database design that is readable by machines and people. It will enumerate the elements allowed in a given type of document.
- T
- TIFF
- Tagged Image File Format.
- V
- Vector Images
- A technique for representing a picture based on the specific mathematics of lines and other geometric entities designated by its end points or coordinates.
