the functional theory

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Across
  1. 4. the total amount of words in a language
  2. 5. from this time on or from that time on
  3. 6. most common type of port found on modern computers
  4. 7. plastic unit containing a length of audiotape, videotape, film, etc.
  5. 8. an instrument for measuring time
  6. 9. a system for transmitting messages from a distance along a wire
  7. 11. branch of linguistics and logic concerned with meaning
  8. 12. created the theory
Down
  1. 1. specially trained to enter each complete number by pressing multiple keys in different columns in one go using separate fingers of both hands.
  2. 2. a machine with keys for producing alphabetical characters, numerals, and typographical symbols
  3. 3. recognises that language is used to function in everyday life
  4. 10. synthetic resin or plastic consisting of polyvinyl chloride or a related polymer, used for wallpapers and other covering materials and for records