My Qusation here what is the Difference between move and move word here (at bx) ?? please I want the answer with details

1. MOV AX, 8A53 2. MOV BX, 0200 3. MOV CX, 692D 4. MOV DX, E6CB 5. MOV WORD (BX), 7B8A 6. AND AX, BX 7. AND CX, (BX) 8. OR (BX), CX 9. OR WORD (BX), 6FOC 10. XOR AX, 9407