Once you've navigated to the folder with the documents you want to delete, you can click and drag your mouse or use the Shift key to select multiple documents at once. Once the documents are selected, click and drag them to the trash can.
Distinguish the term only the first time. It would be unnecessary to let one word stand out multiple times and it may remove the distinction altogether, depending on how often...
Navigate to the homepage of your messages app, then use two fingers to press gently on two message threads at the same time. You'll see circles pop up next to...