Aperture
The size of the opening in your cameras lens, that determines how much light enters the camera and hits the image sensor.
Depth of field
How much of your image is in focus
Level Horizon
Align the horizon with one of the horizontal lines in the grid
Negative Space
The empty space around and between the subject of an image
F Stop
The aperture measurements on your camera. (focal length). How much light you allow to hit the image sensor via the aperture opening
Focus
The process of making adjustments to the lens to find the maximum resolution, sharpness, and contrast for your chosen subject.
Rule of thirds
A composition guideline that places your subject in the left or right third of an mage, leaving the other two thirds more open.
DSLR
Digital single-lens reflex camera
Candid
A photograph captured without creating a posed appearance
Exposure
The overall brightness or darkness of a photograph
Composition
how the elements of a photo are arranged
Subject
The object that is shown in the image, the focal point