% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for communicate by letter

AnswerClue
ITTCommunication letters
ZULULast letter in communications lingo
CORRESPONDCommunicate with letters
ALFAFirst letter in communications
NBCCommunications call letters
WRITECommunicate by letter
ALFALetter in radio communications
ATTLetters on a communications corp. logo
WROTETOCommunicated with by letter
ATTCommunications giant with a one-letter stock symbol
BACKCHANNELCovert means of communication ... or what's hiding in the circled letters?
BACKCHANNELUnofficial means of communication, and a hint to each set of circled letters