This property defines the Unicodes whose east asian width is not specified or it is ambigious
Characters like ¡,¤,§, etc. are listed under Ambiguous East Asian Width.
1274 Characters are present in Ambiguous East Asian Width starting with the Unicode point U+00A1 that represents the character ¡.
Currently, as per latest version 15.0.0, Unicode supports 6 number of East Asian Width. Here are a few examples - Ambiguous,Full width,Half width, etc.