18 points
Mathbf, cause we’re best friends.
6 points
4 points
Arrows are more descriptive. \vec is better.
3 points
Neither, I just write a symbol.
1 point
3 points
If you like mathbf more then at least redefine vec and use vec. Keeps the code more tidy.
2 points
\mathbf{} cause I can just use Ctrl+B on overleaf.