means any description or visual image, real or simulated, however created, explicitly depicting a person who is or who is depicted as being under the age of 18 years-
| a) | engaged in or participating in sexual conduct; |
| b) | engaged in an explicit display of genitals; or |
| c) | assisting another person to engage in sexual conduct which, judged within context, has as its predominant objective purpose, the stimulation of sexual arousal in its target audience; |