Vim mnemonics

command mnemonic notes
a append
b beginning of current or previous word
c change
d delete
e end of current word
f find next given character on current line
g go used as “leader” for many commands
h left only makes sense on the keyboard used by vi’s author, same for jkl
i insert mode
j down
k up
l right
m mark
n next occurrence of last search
o open new line below current line
p put paste
q quote record a macro in given register
r replace
s substitute
t toward next given character on current line
u undo
v visual mode
w word or next word
x x-out delete a single character
y yank
z fold The letter z resembles a folded sheet of paper.