What is the term cascading mean?

Cascading refers to a process where an event or effect triggers a series of subsequent events or effects, often in a sequential manner. This term is commonly used in various contexts, such as cascading failures in systems, cascading style sheets (CSS) in web design, where styles are applied in a layered hierarchy, and cascading water in natural landscapes. Essentially, it highlights how one action can lead to a chain reaction of related occurrences.