right
[noun]
the direction or side that is toward the east when someone or something is facing north
down
[preposition]
from a point that is high or higher on a thing to a point that is lower
escalator
[noun]
a staircase that moves and takes people up or down different levels easily, often found in large buildings like airports, department stores, etc.
stair
[noun]
a series of steps connecting two floors of a building, particularly built inside a building
elevator
[noun]
a box-like device that moves up and down and is used to get to the different levels of a building
basement
[noun]
an area or room in a house or building that is partially or completely below the ground level
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