Image galleries are a great way to share groups of pictures on a WordPress page or post.
A gallery can be inserted onto a page or post by itself, or above, below, or in the midst of text.
Images added are confirmed with a checkbox displayed in the upper-right corner of each image. Additionally, a row of thumbnails appears at the bottom of the window displaying the selected images.
To edit a gallery, click the gallery within a page then click the pencil icon.
On the Edit Gallery page, you can do the following: