To move or resize a field, simply move your mouse cursor over the field. The Move and Resize handles are displayed for the field.
Here we have selected the notes field, now clicking on any of the eight resize handles and moving the mouse allow you to resize the field. Click and drag on the move handle allow you to move the field. Here we will move the field up a little bit:
Now we will resize the subject field and make it wider:
Next: Modifying a Field