1. An ultrasound system comprising: a position sensing module for detecting spatial information associated with a volume of data; a display for displaying first and second images based on the volume of data, the first and second images comprising first and second portions of the volume of data, the first and second portions being at least partially different with respect to each other; a user interface for selecting a first image tracking point on the first image, the first image tracking point being indicated on the first image with a first indicator; and an image tracking module for tracking the first image tracking point within the volume of data, the image tracking module indicating on the display a spatial relationship of the first image tracking point to the second image.