Final answer:
The term being defined is Short Message Service (SMS), a method of transmitting text messages up to 160 characters via mobile phones, which has become a predominant form of communication.
Step-by-step explanation:
The term being defined is Short Message Service (SMS). SMS is a mobile phone-based method of transmitting text messages no longer than 160 characters.
This form of communication has become essential, especially as mobile phone usage has significantly increased. The rise of mobile phones has changed communication norms, with texting serving as a quieter alternative to calls.
Despite concerns over changing social behaviors, the convenience and preference for texting, particularly among younger generations, is evident.
A typical text message user engages in a high volume of messaging daily, highlighting the central role of SMS in modern communication.
The term being defined is Short Message Service (SMS), a method of transmitting text messages up to 160 characters via mobile phones, which has become a predominant form of communication.