<p>In insert mode, use <code>ctrl+o</code> to go to normal mode for just one command:</p>
<ul>
<li><code>ctrl+o h</code> - move cursor left</li>
<li><code>ctrl+o l</code> - move cursor right</li>
<li><code>ctrl+o j</code> - move cursor down</li>
<li><code>ctrl+o k</code> - move cursor up</li>
</ul>
<hr />
<ul>
<li><code>ctrl+w</code> - delete word to the left of cursor</li>
<li><code>ctrl+o d</code> - delete everything to the right of cursor</li>
<li><code>ctrl+u</code> - delete everything to the left of cursor</li>
<li><code>ctrl+h</code> - backspace/delete</li>
<li><code>ctrl+j</code> - insert newline</li>
<li><code>ctrl+t</code> - indent current line</li>
<li><code>ctrl+d</code> - un-indent current line</li>
</ul>


In insert mode, use `ctrl+o` to go to normal mode for just one command:

- `ctrl+o h` - move cursor left
-  `ctrl+o l` - move cursor right
- `ctrl+o j` - move cursor down
- `ctrl+o k` - move cursor up

---

- `ctrl+w` - delete word to the left of cursor
- `ctrl+o d` - delete everything to the right of cursor
- `ctrl+u` - delete everything to the left of cursor
- `ctrl+h` - backspace/delete
- `ctrl+j` - insert newline
- `ctrl+t` - indent current line
- `ctrl+d` - un-indent current line


How to Traverse in Insert Mode in Vim