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 Glossary of ADA Terms  

 Term: Explanation/Definition
APPLIQUE: Material that is applied to a background substrate material. This material is adhesive backed and is 1/32"(.78 mm) thick. The outlines of characters and pictograms are cut out using a rotary or laser system. The excess material is removed, leaving the raised characters.

SUBSTRATE: This is the background material that constitutes the size of the ADA sign. The appliqué and the Braille raster beads are applied to this material.

RASTER BRAILLE:  Precision plastic, metal or glass beads are inserted into drilled holes to create raised, round Braille beads.
DOJ : The Department of Justice. The DOJ helps to create and enforce ADA regulation and is the governing body that fines violations/takes them to court. (Up to $55,000 for the first ADA violation and up to $110,000 for further violations.)
US ACCESS BOARD : An independent federal agency devoted to accessibility for those with disabilities and the leading source on accessible design; helped write the ADA standards in partnership with the DOJ and the blind and visually impaired communities.
ANSI: American National Standards Institute. The Institute oversees the creation of thousands of US consensus standards that directly impact US businesses to strengthen  the country’s global position. ANSI does not develop standards like the ADA, but rather accredits/validates the process.

ADAAG: ADA requirements are part of the broader ADA accessibility guidelines (ADAAG), which contain requirements for new construction and alteration. The Access Board develops ADAAG guidelines to serve as the basis for standards like the ADA. ADA regulation is relevant in a portion of ADAAG, including public accommodation, commercial facilities and state and local government facilities. ADAAG is derived from the earlier UFAS (Uniform Federal Accessibility Standards) and was created in 1991.