The keycap: 4 emoji 4️⃣ displays the number "4" as if it’s a keycap and commonly signifies the idea of fourth. It's often utilized in conversations about sequences, numbers, and phone numbers as the digit four. Check out how the emoji appears on different devices and platforms:

4️⃣ Meaning: A white number ‘4’ printed on a blue square. The 4️⃣ Keycap: 4 emoji refers to the digital key number 4. Apart from representing the number, this emoji also fits into any context that carries ‘4’ or other metaphorical interpretations attached to it.