1. What is the difference between an opening and a closing tag?
Corresponding opening and closing tags are usually identical, except the closing tag will have a forward slash after the first angle bracket.

Note - some opening tags contain more information than the corresponding closing tag, for example a numerical code. In these cases opening and closing tags and not identical except for the presence of / in the closing tag.

2. What is special about empty element tags? (2 things)
- Empty element tags appear only once, and do not require another tag to close them.

- Empty element tags have a forward slash before the second angle bracket.

3. How many headings can be within one div?
Each div can only have one heading.

4. When is the only time it is appropriate for crowdsourcers to move ab tags?
A crowdsourcer should only move an ab if they need to highlight that something is a rubric and tag it as a heading. They should proceed with extreme caution and if at all unsure ask a question on the bulletin board.

5. What is the tag to tell the computer you want to start column b of the text?
<cb n="b"/>