Final answer:
Transposition is the process where letters or words are rearranged, such as in anagram puzzles or in a transposition cipher, as was used in the Zimmerman Telegram.
Step-by-step explanation:
A change in the position or order of letters or words, as in an anagram, is known as Transposition. In the context of cryptography, a transposition cipher involves rearranging the letters of plaintext according to a set rule. This technique often involves splitting the plaintext into blocks and then modifying the order of the letters within each block. A key characteristic of the transposition cipher is that the actual letters are not changed, just their order. For example, the Zimmerman Telegram used a transposition cipher where the plaintext was divided into blocks, and the letters within those blocks were reordered to encrypt the message.