They use the new words is an aspect of our social language that is always changing. Sometimes new words are used so often in communication that they become part of our every day language that frequency and you said these new words are noted by those who work to update the annual edition of the dictionary in December and the word with the most significant usage is chosen as the word of the year, and then added to the dictionary, which statement describes a central idea of this paragraph

The central idea of this paragraph is that the use of new words is constantly evolving and changing in our social language, and the most frequently used new word of the year is chosen as the word of the year and added to the dictionary.

The central idea of this paragraph is that new words are constantly being used and added to our everyday language, and the word with the most significant usage is chosen as the word of the year and added to the dictionary.