The Pi Camera is a custom 2D camera with a Camera Serial Interface (CSI). The following image shows the two physical components—that is, the camera's electronic board and a ribbon cable:
Image courtesy: https://commons.wikimedia.org/wiki/File:Raspberry_Pi_Camera_Module_v2_with_ribbon.jpg, License CC BY-SA 4.0
In the following image, we can see how the ribbon is connected to the CSI port of the Raspberry Pi:
Image courtesy: https://www.flickr.com/photos/nez/9398354549/in/photostream by Andrew, License: CC BY-SA 2.0
The Pi Camera is ...
