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.
(..) So what you feel like,Samantha? It's just... its hard to even describe it. god, I wish I could... Theodore, do you mind if I communicate with Alan post-verbally? Not at all. I was going to walk anyway. It was very nice to meet you, Mr. Watts. Very nice to meet you too, Theodore. (..)2013 Her
(..) it's a habit... maybe I picked it up from you. It's not like you need oxygen or anything. I guess that... I was trying to communicate... that's how people talk how people communicate well and... They are people,they need oxygen. You're not a person. What is your problem? (..)2013 Her