Common terms:
* Emojis: These are small digital images that represent facial expressions, emotions, objects, and other concepts.
* Emoticons: These are text-based representations of facial expressions, often using punctuation marks and letters, like ":)" for happy or ";)" for winking.
* Textual facial expressions: This is a more general term that encompasses both emojis and emoticons, as well as other ways of conveying facial expressions in text, such as descriptive words.
More specific terms:
* Affective computing: This field focuses on using technology to recognize and interpret human emotions, including facial expressions.
* Sentiment analysis: This is the process of extracting subjective information from text, often including information about emotions and sentiment.
* Emotional lexicon: This refers to a list of words and phrases that express emotions, which can be used to analyze text for emotional content.
The best term to use depends on the specific context and the level of detail you need. For example, if you're talking about the use of emojis in online communication, you might use the term "emoji." But if you're discussing the broader field of representing emotions in text, you might use a more general term like "textual facial expressions."