In PowerPoint align objects so they look more appealing and use the PowerPoint order of objects feature to rearrange them how you want.
Align your content quickly and easily with Auto Fix - Microsoft Support
PowerPoint Group ungroup regroup objects - PPT Productivity
Align and Resize Objects Equally in ActivePresenter 8
Advanced PowerPoint Presentation Tips and Hacks
PowerPoint: Shapes
PowerPoint: Slide Basics
Reviewing reading order for items on a PowerPoint slide (PC version)
Microsoft PowerPoint How to Move Object in Front or Behind Another
How to Arrange Objects, Aligning, Ordering and Grouping Objects, Drawing Group, MS PowerPoint
PowerPoint: Aligning, Ordering, and Grouping Objects