🔳🔲🖼️

#square symbol #abstract box #frame symbol #placeholder symbol

📦---

#package contents #lines in crate #abstract box #placeholder lines #three dashes box #item list

⬛◼️▪️

#nested squares #size hierarchy #visual nesting #decreasing size #container hierarchy #abstract box

🤍🟜

#purple square button #button emoji #geometric heart #abstract box

□+✨

#container sparkle #abstract box #minimalist sparkle #basic shape sparkle #simple box shine

🟥⬜️📦

#red square white square box #literal box #abstract box

⬜️➕🔢✨

#abstract box #container symbol #math symbols box #number symbols #symbolic box #generic symbols

🤏⬜︎□

#small white frame #tiny white outline #little white shape #abstract box #small white border #placeholder box #empty box outline