I've never read this but I can tell you what to look for. Symbolism in literature is using a phrase or word to represent something totally different. It can sometimes be called "hidden meaning". It is usually a meaning that doesn't meet the eye but is very important to the story the author is telling.
Answer:
Dealing with the mansion. THE PAINTER IS CELER. RAPID knocks on the door. Clemens painter deaf. THE SLAVE IS IN THE GARDEN. RAPID public. THE DOG HEARS CELER AND BARKS. FIVE OF THE DOG voice. QUINTUS CAME TO THE DOOR. SON opens the door. FAST FIVE saving and enters the house. Metelli in the kitchen. FIFTH call mother. Metelli HALL enter. PAINTER metelli saving. Metelli painter to the dining room captain. RAPID to work in the dining room. RAPID paint pictures. A BIG LION IS IN THE PICTURE. Hercules QUOQUEEST in pictures. LEO THE SPIRIT Hercules films. Leo clubs are bound and huge beats. Hercules is very strong. CAECILIUS to VILLAM returns and enters the dining room. CAECILIUS intently looking at the pictures and the pictures are praised.