This character is a Other Symbol and is commonly used, that is, in no specific script.
The glyph is not a composition. Its East Asian Width is wide. In bidirectional text it acts as Other Neutral. When changing direction it is not mirrored. U+1F60C offers a line break opportunity at its position, except in some numeric contexts.
The CLDR project calls this character “twarz z wyrazem ulgi” for use in screen reading software. It assigns these additional labels, e.g. for search in emoji pickers: odprężona buźka.
This character is designated as an emoji. It will be rendered as colorful emoji on conforming platforms. To reduce it to a monochrome character, you can combine it with Glyph for U+FE0EVariation Selector-15: 😌︎ See the Emojipedia for more details on this character’s emoji properties.
On Youtube this character is sometimes wrongly displayed as U0001f60c.
Wikipedia ma następujące informacje na temat tej współrzędnej kodowej:
Relief is a positive emotion experienced when something unpleasant, painful or distressing has not happened or has come to an end.
Relief is often accompanied with a sigh, which signals emotional transition. People from all over the world can recognise sighs with relief, and judge relief to be a fundamental emotion.
In a 2017 study published in Psychology, relief is suggested to be an emotion that can reinforce anxiety through avoidance, or be an adaptive coping mechanism when stressed or frustrated.