She likes to 'communicate' [=(more informally) 'keep in touch'] with her sister through/by/via e-mail.
If you're excited about the product, your enthusiasm will 'communicate' itself to customers.
One monkey 'communicated' [='transmitted, spread'] the disease to the others.
(..) That sort of thing. I wonder what would happen if we tried talking to it now? Is anybody there? Is anybody there who wishes to communicate? I say again, is anybody there? ALLEN: Nothing. Well, it isn't a jukebox, is it? (JANET GRUNTING SOFTLY) Janet, are you all right? (..)2016 The Conjuring 2
(..) What should I ask? I don't know. Whatever you want. Okay. My sister and I want to know... Are there any spirits here that want to communicate with us? (SIGHS) Is Dad ever coming home? Are there any spirits here who can answer my question? Don't worry about it. (..)2016 The Conjuring 2