noun. Plural form of communication.

noun. Telecommunications, the science and technology of communicating, especially by electronic means.

noun. the discipline that studies the principles of transmiting information and the methods by which it is delivered (as print or radio or television etc.)

"_all inquiries respecting communications forwarded for insertion should specify the subjects of such communications_."

communications satellite  

bailiwick  discipline  field  field of study  study  

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