Once you have a list of results, to access any of the articles in your list, click on the article's title (highlighted in aqua below):

When you click on the title to citation #3 above, for example, a separate tab will open, taking you out of One-Search and into the database where that article resides.  To see the full text of the article in this database from ProQuest, click on the "Full Text - PDF" tab (circled in orange) and the full text PDF (highlighted in yellow) appears on that tab:

There are also tools within most databases that allow you  to manipulate the article in a variety of ways:

• Download it
• Create a citation in a variety of styles (be careful to compare these to an example you trust, as you often have to make corrections)
• Email it to yourself (in a particular citation style)
• Print it, and more

In this ProQuest database, these tools are located on the right side opposite the title (highlighted below in orange):