Use the definite article.
The following does not include the Comunicación section.
furniture
house
armoire, closet
vacuum cleaner
balcony
bathtub
bed
kitchen
dining room
bathroom
pantry
bedroom
shower
apartment building
electrical appliance
stairs
mirror
bookshelf
stove
kitchen sink
oven
toilet
yard, garden
lamp
bathroom sink
washing machine
dishwasher
nightstand
microwave
wall
hallway
pool