What to you, generally speaking, "karma" means.
How does the Hindu understanding of karma differs from that of Jainism, and, Buddhism.
Whether the religious idea of karma is predominately similar or different than the scientific idea of cause and effect. Explain. (You must define the idea of causality as understood by contemporary natural science before offering a comparison/contrast, being careful not to be overly general.)
The Wikipedia article at https://en.wikipedia.org/wiki/Karma for supporting quotations.