We save your path as you were moving, along with essential data (coordiantes, elevation, speed, heading, etc.) that you can recall later when you need it.
Photograph pins will have an additional adornment in the form of a multicolored sector - it shows where your camera was pointing when you pressed the shutter button.
Tools you can use include drawing on a photo, creating color-coded notes, designing your own pin for a favorite place, and mainaining meaningful archive of all your adventures.