Definitions. In this section, the terms have the following meaning:
A mode of message transition on an electronic message display accomplished by varying the light intensity or pattern, where the first message gradually appears to dissipate and lose legibility simultaneously with the gradual appearance and legibility of the second message.
A sign capable of displaying words, symbols, figures, or images that can be electronically or mechanically changed by remote or automatic means.
A mode of message transition on an electronic message display accomplished by varying the light intensity, where the first message gradually reduces intensity to the point of not being legible and the subsequent message gradually increases intensity to the point of legibility.
A complete, static display screen on an electronic message display.
A visual effect on an electronic message display applied to a single frame to attract the attention of viewers.
A mode of message transition on an electronic message display where the message appears to move vertically across the display surface.
Any advertisement or promotional device not permanently attached to the ground or permanent structure to include, but not limited to, signs, banners, promotional flags, balloons, sign trailers, streamers, and pennants.
A visual effect used on an electronic message display to change from one message to another.
A mode of message transition on an electronic message display where the message appears to move horizontally across the display surface.