ADD vs storage

ADD

noun
  • A designation on prerecorded compact discs indicating that the contents were recorded in analog but mixed and mastered in digital; compare AAD, DAD, DDD. 

storage

noun
  • Any computer device, including such as a disk, on which data is stored for a longer term than main memory. 

  • The act of storing goods; the state of being stored. 

  • The price charged for storing goods. 

  • An object or place in which something is stored. 

verb
  • To put into storage; to store. 

How often have the words ADD and storage occurred in a corpus of books? (source: Google Ngram Viewer )