the discipline that studies the principles of transmiting information and the methods by which it is delivered (as print or radio or television etc.); "communications is his major field of study"
prevent from being included or considered or accepted; "The bad results were excluded from the report"; "Leave off the top piece"
prevent from entering; shut out; "The trees were shutting out all sunlight"; "This policy excludes people who have a criminal record from entering the country"
lack or fail to include; "The cost for the trip excludes food and beverages"