Selecting
Selecting is where you use a tool to select an area of your image that you are editing in Photoshop.
Layer Masks
This shows where layer masks are located in photoshop (not circled).
Fibonacci Spiral
this is the Fibonacci spiral.
Blending Modes
the area circled and pointed at is where the blending mode is located in photoshop.
Adjustment Layers (Levels/Curves)
this image shows the adjustment layers window in the photoshop application.
Vector vs. Bitmap
this image shows the differencebe tween a vector image and a bitmap image when they are both enlarged.
Reciprocity
this image shows reciprocity because it shows the relationship between the shutter and aperture.
Image Resolution
this image shows its image resolution. you can see that as the resolution increases, the less pixellated the image looks.
Rule of Thirds
this photo shows the rule of thirds by creating a grid to section out the image.
Shutterspeed
this photo shows two examples of a slow and fast shutterspeed and how each gives the image different qualities.
Aperture
this photo shows the aperture on a digital camera when you zoom in or out of the focus.
WB
this photo shows white balance because it shows what this object would look like in different settings of the white balance.
ISO
this picture shows ISO because it demonstrates how each photo has a different ISO setting and each photo has different sensitivities to light.