content: 
  
  get characters of "tic-tac-toe"
  --> {"t", "i", "c", "-", "t", "a", "c", "-", "t", "o", "e"}
  every character of "tic-tac-toe"
  --> {"t", "i", "c", "-", "t", "a", "c", "-", "t", "o", "e"}
  
  # Substring
  characters 1 thru 4 of "tic-tac-toe"
  --> {"t", "i", "c", "-"}
  
  characters 3 thru -3 of "tic-tac-toe"
  --> {"c", "-", "t", "a", "c", "-", "t"}
  
  characters -3 thru -1 of "tic-tac-toe"
  --> {"t", "o", "e"}
  
  # substring
  characters 1 thru ((length of "tic-tac-toe") - 1) of "tic-tac-toe" as text
  --> "tic-tac-to"
  
  # last char
  characters -1 thru -1 of "tic-tac-toe" as text