The term 'move smoothly' can be expressed in a variety of ways, such as gliding, flowing, sliding, sailing, and easing. Gliding is the act of moving smoothly and gracefully, often with little effort. Flowing is the act of moving in a continuous stream or current. Sliding is the act of moving along a surface with little friction. Sailing is the act of traveling on water using a boat or other vessel. Easing is the act of making something less difficult or painful. All of these words describe the same concept of moving smoothly without any difficulty.