Pointer Navigation

# move left
h

# move down (imagine a down arrow)
j

# move up
k

# move right
l

Selection

# select text inline
v

# select whole line (linewise visual mode)
V

# Select from current position to the beginning of the word
vaw

# Select from current position to the end of the word
ve
# OR
viw

# Select whole file content
ggVG

Word jumps

# Move to start of the next word
w

# Move to start of the previous word 
b

# Move to end of current word
e

# Move to end of current word and start appending
ea

Page jumps

# Scroll page up
ctrl + u

# Scroll page down
ctrl + d

# Move to top of the file (think two wings)
gg

# Move to bottom of the file (think Gravity)
G

Reposition/Re-center

# Current line aligned at the top of the screen
zt

# Current line aligned at the bottom of the screen
zb

# Current line aligned at the middle of the screen
zz