"Second Order" refers to a concept in various fields, including mathematics, physics, and systems theory. In mathematics, it often describes equations or systems that involve second derivatives, indicating how a quantity changes in relation to its rate of change. This can apply to motion, where the second order relates to acceleration. In systems theory, "Second Order" can refer to feedback loops that influence the behavior of a system over time. For example, in ecology, the interactions between species can create complex dynamics that are not immediately apparent, illustrating how changes in one part of the system can lead to unexpected outcomes in others.