A contributor, given a valid account, will have the ability to upload and annotate a photo. (For the example of this use case, a contributor wants to highlight the strong foreground in the photo.)

1. Go to Upload page
2. Select a file to upload
3. Select Oval tool
4. Draw an oval on a region of the photo
5. Select Strong Foreground pattern to associate while the oval region is selected
6. Publish the photo

Most of the activities a contributor is capable of will be conducted within an administration area where a valid account is required. The following are activities a contributor can perform within the administration area.

• View uploaded photos
• Edit published photos
• Unpublish photos

When annotating a photo, the following are the tools/functionality that can be selected.

• Draw oval region
• Draw rectangle region
• Select region
• Delete region

When a region is selected, the following functionality will be enabled.

• Select pattern
• Deselect pattern
• Add a pattern
• Add a note

The front page will provide site navigation and latest uploads. The photos will be large enough for the visitors to decide whether to view more details of a photo. Below each photo will be a list/cloud of attached principles.