The term 'Dictionary Note Subject' can be summarized as the USAGE of dictionaries to note down information. Dictionaries are a type of reference book that contain an alphabetical list of words, with information given for each word, such as its meaning, pronunciation, and etymology. USAGE in this context refers to the act of using a dictionary to look up words and take notes on them. This is often done by students or researchers who need to find definitions or other information about a particular word.