Created with Excel VBA (example):
If you have generated similar images in Excel, can you share them with me...😄
And within Shapes there is a group of Lines. Most of them are Connectors that can be attached to any of the illustrations and connect them with any others. The last three lines in the group, namely Curve, Freeform Shape, and Scribble, are not Connectors, but allow you to enrich the Excel collection of graphical creations with your own customized shapes/drawings.
Here's an example of possibilities offered by precise connections of the shapes. Just a simple idea: