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+1F44D prohibits a line break after it, if it’s followed by an emoji modifier.
The CLDR project calls this character “kciuk w górę” for use in screen reading software. It assigns these additional labels, e.g. for search in emoji pickers: brawo, kciuk, lubię, lubię to, OK, okej, podoba mi się, ręka, tak, w porządku, zgoda.
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 Variation Selector-15: 👍︎ The character can be changed in appearance, if it is followed by an emoji modifier. See the Emojipedia for more details on this character’s emoji properties.
Wikipedia ma następujące informacje na temat tej współrzędnej kodowej:
A thumb signal, usually described as a thumbs-up or thumbs-down, is a common hand gesture achieved by a closed fist held with the thumb extended upward or downward, respectively. The thumbs-up gesture is associated with positivity, approval, achievement, satisfaction and solidarity, while the thumbs-down gesture is associated with concern, disapproval, dissatisfaction, rejection and failure.