This document summarizes different types of fishing lines, including monofilament, fluorocarbon, and braided lines. It discusses the properties and uses of each line type, such as monofilament's buoyancy and stretch versus fluorocarbon's invisibility in water. The document also reviews several important fishing knots, including the Arbor, Surgeon's Loop, Surgeon's/Water, and Clinch knots; and provides instructions for tying the Surgeon's and Clinch knots.