Meaning
A stack of several books piled on top of each other, usually in different colors. It means studying, reading a lot, libraries and knowledge.
It is the classic study-mode emoji for exams, homework and back-to-school season, plus ambitious reading goals: “Finals week, see you all on the other side 📚.” Students, teachers and book lovers all use it, often next to ✏️ or ☕ during late-night revision.