Once you've selected a subject heading to search, thought about subheadings, and clicked on the 'Search Database' button, you will see a set of results. You can also display your search strategy, so you can quickly and easily see what you've searched, and how many results each search has retrieved. To display your search strategy, click on the link that says 'Search History'; the link looks like the highlighted section in the box immediately below:
Once you have displayed your search history, you will see this table, which will continue to grow as you add further search terms. We'll see this as we continue with our search.