Streamlines is a term used to describe the process of making something more efficient or effective. It is often used in the context of business operations, where streamlining can help to reduce costs and increase productivity. SLEEKENS is an 8-letter word that is related to streamlines, and it means to make something smoother or more streamlined. This could refer to the process of streamlining, or it could refer to the results of streamlining, such as a smoother workflow or a more efficient system.