Language, in General, Is Abstract Because It Involves the Use

Language, in general, is abstract because it involves the use of symbols to refer to objects and concepts that are not physically present. What does it mean, then, to use concrete language?

A) Using words that have general meanings
B) Using words that refer to a range of events, objects, or actions
C) Using words that refer to specific events, objects, or actions
D) Using words that are open to a lot of interpretations