1 two-dimensional barcode

2 QR code

1 secret code

2 ciphertext

3 password

4 PIN

1 number

2 numerals

3 figures

4 digital

5 amount

6 numerical code

1 weight

2 number

3 code

4 to pile

5 to stack

6 classifier for length or distance (yard), happenings etc

1 dock

2 pier

3 wharf

4 classifier: 个 gè

1 The ship has docked, the carriage has reached the station.

2 The job is over, it's time to relax. (idiom)

1 Men of Zheng fighting over their respective ages (idiom)

2 a futile quarrel