A swinging post can be referred to as a hanging pole, dangling pillar, or suspended support. Another synonym for this object is a swinging arm, which is a movable extension from a fixed point. A related term is a pivot, which refers to a point of rotation. The action of swinging or swaying can also be described as oscillating, rocking, or undulating. These terms can be used to describe a variety of objects, from playground swings to porch swings to gates and doors. Regardless of the specific application, the concept of a swinging post suggests movement, motion, and flexibility.