A single thin length of something such as thread, fiber, or wire, especially as twisted together with others. She carefully separated a strand of hair from the rest.
The children played on the sandy strand all afternoon.
A component of a complex whole, especially a sequence of DNA or RNA. Scientists examined the DNA strand to understand the genetic makeup.
An aspect, element, or thread of a larger story, argument, plan, or process. One strand of the investigation focused on fraudulent accounting.