This is the 5374th most frequent Japanese word.
sms
"SMS" in Japanese refers to text messaging or "Short Message Service" for mobile communication.
In this sentence, 'SMS' is used to denote the messaging service used for communication.
私は友達にSMSでメッセージを送りました。
I sent a message to my friend via SMS.
Here, 'SMS' is emphasized as a convenient tool for sending succinct messages.
SMSを使えば簡単に短いメッセージを送れます。
Using SMS, you can easily send short messages.
In this case, 'SMS' is highlighted as a traditional method compared to modern alternatives like instant messaging apps.