A method of exchanging a piece of information from one source to another with or without the help of words is called communication.
A text message or email is an example of verbal (non-oral) communication.
Verbal and non-verbal are the two formats of communication. It can also include oral or non-oral forms.
When communication is done by using words and sentences then it is called a verbal form of communication while communication that lacks words and instead uses gestures and body language are a called non-verbal form of communication.
In-text messages and email, one uses words and sentences for passing the information which is an example of verbal and non-oral forms of communication.
Therefore, they are verbal communication.
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