PowerPoint Glossary: G
gallery: PowerPoint offers various galleries that present you with visual options for changing an item on a slide. Rather than visit numerous dialog boxes and task panes, you can select a gallery choice and give many commands at one time.
grid: Evenly spaced lines placed over your PowerPoint slide that help you layout objects on your slides.
group: A collection of objects that PowerPoint treats as though it were one object.
guides: Lines that appear on-screen to help you layout objects on your PowerPoint slides.