Draw horizontal, vertical, simple lines, trendline (ray), polyline and parallel line - it's all very convenient.

Fibonacci retracements/extensions, Fibonacci fan, Fibonacci arcs, Fibonacci Cycles are good to determine turning points.

Andrew's Pitcfork uses the concept of action/reaction principle.

Lines' properties, such as color, style, width can be modified. Line's "snap to bar" option is available.