Question

explain the purpose of grouping objects in a digital presentation

Answer 1

Grouping is used in presentation to group object such as picture,clip art,shape and text box, once group they appear as a single object

Answer 2

Grouping improves faster and stress-free way of moving objects than moving one after one. You can organize 3D objects, cameras, and lights into groups for the resolution of selection, applying operations, assigning properties and shaders, and attaching materials and textures.

Creating groups means that you don't need to reselect the same set of objects each time you want to work with them.