Portait Concepts

HOW TO DESCRIBE IMAGE TONAL VALUES 
 SHADOW- area where direct light from a light source cannot reach due to obstruction by an object
 MIDT-ONE- the colors in between
 HIGHLIGHT- highest area of an image
 EXPOSURE- the amount of light allowed to fall on each area
 CONTRAST- the difference in luminance that makes an object (or representation in an image) distinguishable

HOW TO DESCRIBE LIGHTING TONAL VALUES 
 HIGH KEY- aims to reduce the lighting ratio present in the scene
 LOW KEY-term used in describing paintings or photographs
 SOFT SHADOWS- not too dark area of an object
 HARD SHADOWS- darker area of on object
 HARD LIGHT- when the light source is large relative to the subject
 SOFT LIGHT- light that tends to "wrap" around objects, casting diffuse shadows with soft edges; when a light source is large relative to the subject
 COMPOSITION-arrangement of visual elements
 FOREGROUND- elements of an image which lie closest to the picture plane
 BACKGROUND- part of the picture that depicts scenery to the rear
 SUBJECT- the main topic
 FRAME (FILLING THE FRAME)- technique used to focus the viewer's attention upon the subject