Depth in Focus #5 and #6

Both these images are examples of deep focus

Depth of Focus Examples #3 and #4

Both of these images are examples of the background in focus and the foreground out of focus

Depth of Field Examples #1 and #2

Both of these images are examples of the background out of focus and the foreground in focus

Leading Lines Examples $5 and #6

Both of these examples of lines leading from top to bottom or bottom to top

Leading Lines Examples #3 and #4

Both of these images are examples of lines leading into or out of a photo

Leading Lines Example #1 and #2

Both these images are examples of lines leading across the photo from left to right or right to left

Lead and Nose Room Examples #7 and #8

Both of these images are examples of a machine with a definite front in motion