How is auto-completion triggered in vim?
<C-x><C-o>
Enable character-wise Visual mode
lowercase v
Enable line-wise Visual mode
Uppercase V
Enable block-wise Visual mode
<C-v>
Reselect that last visual selection
gv
Toggle the free end of a visual selection
o
What is a vim text object
Text objects define regions of text by structure (see :h text-objects)
Visually select text object inside of {braces}
vi}
Visually select text object delimited by a pair of “double quotes”
va”
Visually select text object inside of <xml>tags</xml>
vit