Crop and combine?

[BlueWave95]

$ magick --version
Version: ImageMagick 7.0.8-65 Q16 x86_64 2019-09-29 https://imagemagick.org
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What magick commands can I use to cut out portions of one image (i.e. crop several images out of one image) and them combine them on top of another image (such as a background image)?

[fmw42]

Please post an example of your input and desired output. What areas need to be cropped? Are they rectangular or irregular? Stacked in what way -- top to bottom or composited over each other.

What is your platform, as syntax may differ as would scripting.