Answer:
Slide Layout contains the formatting and placeholders for all items that appear on a slide.
Explanation:
Slide Layout:
Slide layout option in MS PowerPoint contains formatting, placeholders boxes and positioning for all the content that you put on a slide.
Slide layout option allows you to format the contents, insert placeholders boxes for contents such as text or images and do their positioning as you want to appear on a slide. Placeholders are the dotted line containers that hold the content such as title, body text, tables, smart art graphics, charts, pictures, videos, clip art, and sounds.
Slide layout also contains the fonts, effects, colors, and the background (all these collectively known as the theme) of a slide.
However, PowerPoint includes a built-in slide layout, and you can modify these layout on your slide according to your specific needs. Furthermore, you can share your customized slide layout with other people who want to create a PowerPoint presentation.
In addition to, you can built-in standard slide layout in PowerPoint in the Slide-Master View.
If you created the slide, and you want to customize that slide according to specific requirement then you have the option to apply the built-in standard layout on that slide to save the time. Because it is a much easy and time-saving task instead of customizing your own slide from scratch such as making aligning and positioning the contents on the slide