Confused with the jargon used in today’s signage industry? Do terms such as ‘cluster’ ‘contrast ratio’ or ‘refresh rate’ make you scratch your head? This glossary of terminology will help light the way to understanding many of the terms associated with Outdoor Digital Advertising.

To navigate through the glossary, click on the letter above to go directly to that glossary page.

[N]

NEON SIGN

A sign manufactured utilizing neon tubing, which is visible to the viewer.

NEON TUBING

Electric discharge, cold cathode tubing manufactured into shapes that form letters, parts of letters, skeleton tubing, outline lighting, and other decorative elements or art forms, in various colors and diameters and filled with inert gases.

NESA

National Electric Sign Association, the previous name of the International Sign Association (ISA).

NONCONFORMING SIGN

One which was lawfully erected, but which does not comply with the provisions of State law or State regulations passed at a later date or which later fails to comply with State law or State regulations due to changed conditions. Illegally erected or maintained signs are not nonconforming signs.

NET REACH

The total number of persons within the target audience exposed to the advertising schedule, often expressed as a percentage.