code
Pronunciation
Noun
A2 Elementary
Quick answer
A system of letters, numbers, or symbols used to represent information, or a set of rules people must follow.
Usage notes
"Code" can mean a set of rules, as in "a dress code", or a system of symbols, as in "a security code".
Test yourself
Which word fits the gap? "You need to enter a four-digit _____ to unlock the door."
Answer: code
In your own words, what does "code" mean?
A system of letters, numbers, or symbols used to represent information, or a set of rules people must follow.
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