Original: Plant cutting, also known as striking/cloning, is a technique for vegetatively (asexually) propagating plants in which a piece of the source plant containing at least one stem cell is placed in a suitable medium such as moist soil, potting mix, coir or rock wool.
Simplified: Plant cutting, also known as striking/cloning, is a technique for vegetatively (asexually) propagating plants. With this method,  a piece of the source plant containing at least one stem cell is placed in a suitable medium such as moist soil, potting mix, coir or rock wool.