Click this button to make the alignment of the text, images, and videos in the document to the left.

   this button to make the alignment of the text, images, and videos in the document to the center.

  Click this button to make the alignment of the text, images, and videos in the document to the right.

  Click this button to make the alignment of the text, images, and videos in the document justified.

Here is a simple video that shows what each alignment looks like: Align Text.mov