VISUAL SIGNAL
\vˈɪʒuːə͡l sˈɪɡnə͡l], \vˈɪʒuːəl sˈɪɡnəl], \v_ˈɪ_ʒ_uː_əl s_ˈɪ_ɡ_n_əl]\
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a signal that involves visual communication
By DataStellar Co., Ltd