About up
Up is the y-axis relative vertical direction opposed to down.

Up

white wooden table near brown chair
white wooden table near brown chair
green leafed plant with white printing paper
green leafed plant with white printing paper
wall mounted Helvetica alphabet poster above sofa
wall mounted Helvetica alphabet poster above sofa
green leaf with white card
green leaf with white card
a group of plastic containers with blue text on them
a group of plastic containers with blue text on them
wooden ladder leaning on palm tree
wooden ladder leaning on palm tree
woman holding DSLR camera while focusing on top
woman holding DSLR camera while focusing on top
brown and white flannel shirt
brown and white flannel shirt
escalator on train station
escalator on train station
architectural photography of stairs beside escalator
architectural photography of stairs beside escalator
diagram, text
diagram, text
multi-colored hot air balloon flying on sky
multi-colored hot air balloon flying on sky
people wearing inline skates going upstairs
people wearing inline skates going upstairs
woman sitting on cliff raising both hands
woman sitting on cliff raising both hands
UP paint signage
UP paint signage
worm's eyeview of brown trees
worm's eyeview of brown trees
a group of blue and green objects
a group of blue and green objects
person wearing orange and gray Nike shoes walking on gray concrete stairs
person wearing orange and gray Nike shoes walking on gray concrete stairs
rectangular gray wooden photo frame beside pink flower
rectangular gray wooden photo frame beside pink flower
white paper and brown envelope
white paper and brown envelope