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.
(..) down in that hole. What did we find down there? We found a solution, Connor, that can end this war once and for all. We know the machines use shortwave transmitters to communicate. Our Intel has located a hidden signal under the primary channel. It allows for direct control of the machines. (..)2009 Terminator Salvation