An object has reflection symmetry line or mirror symmetry if there is a line going through it which divides it into two pieces which are mirror images of each other. An object has rotational symmetry if the object can be rotated about a fixed point without changing the overall shape.
pattern
A pattern is a regularity in the world, man-made design, or abstract ideas. As such, the elements of apattern repeat in a predictable manner. A geometric pattern is a kind of pattern formed of geometric shapes and typically repeated like a wallpaper design. Any of the senses may directly observe patterns.
Framing
A picture frame is a decorative edging for a picture, such as a painting or photograph, intended to enhance it, make it easier to display or protect it.
Angles and prospective
Perspective distortion is influenced by the relationship between two factors: the angle of view at which the image is captured by the camera and the angle of view at which the photograph of the subject is presented or viewed.
Minimalist
Minimalism is a style employed by many 20th Century artists, using a minimum amount of components such as colour, shape, line and texture. Within the art world it is considered an extremely subjective concept, leaving interpretation and meaning up to the viewers perception of the work
Maximalist
The rise of maximalism in design. ... Maximalism is defined by the opportunities it presents. It welcomes diverse aesthetics, excess, decadence and extravagance by breaking traditional design rules. Here are four elements used to compose greatmaximalist design
Rule of third
The rule of thirds is a "rule of thumb" or guideline which applies to the process of composing visual images such as designs, films, paintings, and photographs
Colour
Color , or colour , is the characteristic of human visual perception described through color categories, with names such as red, orange, yellow, green, blue, or purple.
Focal point
Defined in the fine arts as a point of interest that makes an art work unique, in the realm of optics the term “focal point” also refers to the site where parallel rays of light meet after passing through a convex lens, or diverging from a concave mirror.
Curves
In image editing, a curve is a remapping of image tonality, specified as a function from input level to output level, used as a way to emphasize colours or other elements in a picture. Curves can usually be applied to all channels together in an image, or to each channel individually.
phygrid
The golden ratio, sometimes called the Fibonacci spiral, golden spiral, phi grid, or golden mean, is a composition guide. It helps lead the viewer's eye through the entire photo, leading to more captivating images