表情符号变体：眼睛、嘴巴和镜像比鼻子和旋转更有意义

Emoticons can visually differ in various minor ways. This includes presence or absence of an element, like the 'nose' or 'tear' in the :-) and :'( emoticons, differences in orientation, as in the :) versus (: emoticons, or a change to an element, such as the 'eyes' in the :) versus ;) emoticons. It is unclear which types of variation impact meaning, or whether the visual scale of variation predicts the degree of impact on meaning. We investigated emoticon use, contextual suitability, and perceived meaning equivalence across positive, negative, and sarcastic contexts. Given that emoticons can c