PDF (adobe.com)

The Auto Shape tools

Arrow
Simple arrows of any proportions, and straight or bent lines.

Arrow Line
Straight, thin arrow lines providing quick access to common arrowheads (simply click either end of the line).

Beveled Rectangle
Rectangles with beveled corners.

Chamfer Rectangle
Rectangles with chamfers (corners that are rounded inside the rectangle).

Connector Line
Three-segment connector lines, such as those used to connect the elements of a flowchart or organizational chart.

Doughnut
Filled rings.

L-Shape
Right-angled corner shapes.

Measure Tool
Simple arrow lines that indicate dimensions for key design elements in pixels or inches.

Pie
Pie charts.

Rounded Rectangle
Rectangles with rounded corners.

Smart Polygon
Equilateral polygons with 3 to 25 sides.

Spiral
Open spirals.

Star
Stars with any number of points from 3 to 25.