⚝ Pentagram

⚝- Pentagram, outlined white star, Geometry: Five-pointed Star
Among architects is the ⚝ Pentagram symbol very popular in Star Emoji because they must often project buildings with a ⚝ Pentagram somewhere.
Students hide in their messages with the ⚝ Pentagram sign solutions for their exams. The most teachers think if they see ⚝ that their students are very diligently but it is wrong.
In communication use Emojis this symbol for different purposes like pentagram or hiding of solutions for exams.