😊
🙂
😄
😃
😀
🔶This emoji has a relatively simple shape and can usually be used as a marker symbol. For example, in document editing, it is used to mark important content; or on schematic graphics such as maps, it is used to indicate specific places or locations, etc.
I marked an important place on the map🔶
There is a key part in this document which I marked with 🔶.