Unicode is primarily concerned with standardizing existing characters in the majority of the language systems of the world. The big exception are emojis and a s

Unicode is primarily concerned with standardizing existing characters in the majority of the language systems of the world. The big exception are emojis and a small number of usefull icons, the power button icon comes to mind. Its story of addition to unicoe was shared on Hacker News some years ago. As far as I know the only area of invention and growth are emojis.