As used in this article:

1. (1) "Parent or guardian" means a parent, custodian, or guardian responsible for the control, safety, training, or education of a minor or a person who is disabled or incompetent.

2. (2) "Rider of a carnival or amusement device" or " rider" means a person who is:

   1. (a) waiting in the immediate vicinity to get on a carnival or amusement device;
   2. (b) getting on a carnival or amusement device;
   3. (c) using a carnival or amusement device;
   4. (d) getting off a carnival or amusement device; or

   5. (e) leaving a carnival or amusement device and who is still in the immediate vicinity of the carnival or amusement device.

      "Rider" does not include employees or agents of the owner of a carnival or amusement device while engaged in the duties of their employment.

3. (3) "Sign" means a symbol or language reasonably calculated to communicate information to riders or riders' parents or guardians including, but not limited to, placards, prerecorded messages, live public address, stickers, pictures, pictograms, guidebooks, brochures, video, verbal information, and visual signals. Lettering on signs used for this purpose must be at least two inches in height.