Which statement about dictionaries is true?

abridged means “not limited or condensed.”
an abridged dictionary usually contains more words than an unabridged dictionary.
an unabridged dictionary of the english language attempts to cover all the words in the language and gives information on each word’s history.
an unabridged english-language dictionary is a shortened dictionary for everyday use, and it is the dictionary that most people have in their homes and offices.