To add or remove space before or after a paragraph, users should select the Line and Paragraph Spacing icon.
Answer:
<em>A checkbox</em>
Explanation:
A checkbox <em>(check box, tick box, tick box) is an User interface widget that allows the user to choose a binary option.</em>
Like a choice between any of two potential options that are mutually exclusive.
For instance, on a simple yes / no question, the user may have to answer ' yes ' (checked) or ' no ' (not checked).
I would say code completion. Dreamweaver does this for you. So say I wanted to make a paragraph of text, I would use <p>, and then Dreamweaver would create the closing </p> for you.