+T.—+What then do these letters, taken separately, picture to your eye?
+P.—+They picture the sounds that came to my ear.
+T+.—Letters then are the signs of what?
+P.—Letters are the signs of sounds+.
+T+.—I will pronounce the same three sounds more rapidly, uniting them more closely—bud. These sounds, so united, form a spoken word. Of what do you think when you hear the word bud?
+P+.—I think of a little round thing that grows to be a leafy branch or a flower.
+T+.—Did you see the thing when you were thinking of it?
+P+.—No.
+T+.—Then you must have had a picture of it in your mind. We call this +mental picture+ an +idea+. What called up this idea?
+P+.—It was called up by the word bud, which I heard.