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The term 'cipher' is a form of address used by certain members of the First Civilization to identify individuals integral to their plans. The term was used by Juno to address the Helix initiate, and by Jupiter to address Desmond Miles while he was in the Synch Nexus.
- 'Cipher' has a number of self-conflicting meanings; it is sometimes used to describe something as having no value, influence, or importance. Other times, it refers to a secret method of writing, as by transposition or substitution of letters.