Email abbreviations save time. Many of the email abbreviations have made their way to text messaging and instant messaging. That makes sense because you are limited on the number of characters you can text at one time. Here are some lists of certain types of email abbreviations.
When people communicate face to face, they rely on facial expressions to enhance the meaning of what the other person is saying. Also, when a person talks, the tone of voice can have a lot to do with the meaning of the words. Therefore, when you email someone, it is hard to get your meaning across with just words. Then came the birth of emoticons: combinations of keystrokes that make a picture that represents an emotion.
More and moe email abbreviations and emoticons are being used everyday; so, whether you chose to use them or not, it is important to know what they mean so that you can understand the emails that you receive.