View Tab
View Tab gives you control over document zooming, marker visibility, visual aids and design surface rotation. It makes the following ribbon groups available:
Zoom defines design surface zoom level and Desktop Designer window zoom behavior.
Object Markers Visibility defines visibility settings for object properties.
Alignment and Gridline Guides: sets object positioning behavior and defines properties for design surface gridlines.
Rotation: rotates the design surface clockwise for 90 degrees per click.