2 : involving the actions or input of a user; especially : of, relating to, or being a two-way electronic [[communication]] [[system]] (as a telephone, cable television, or a computer) that involves a user's orders (as for information or merchandise) or [[responses]] (as to a poll) | 2 : involving the actions or input of a user; especially : of, relating to, or being a two-way electronic [[communication]] [[system]] (as a telephone, cable television, or a computer) that involves a user's orders (as for information or merchandise) or [[responses]] (as to a poll) |