1) Symmetry: The work of art is the same on one side as the other, a mirror image of itself, on both sides of a centerline. 2) Radial Symmetry: A form of symmetry in which identical parts are arranged in circular fashion around the central axis. 3) Contrast: The arrangement of different elements in a design to create visual interest, emphasis, or a focal point. Contrast can be achieved through variations in color, size, shape, texture, or typography. 4) Emphasis: The principle of design that highlights the most important elements in a composition to draw the viewer's attention. Emphasis can be achieved through size, color, contrast, or positioning. 5) PNG: A file type used for online (NOT printing) that has a transparent background. 6) RAW File: An uncompressed file directly exported from a camera with the most detail possible for editing. After editing, RAW files are often compressed into JPG files. 7) Release: A legal document giving permission from the copyright holder to use copyrighted material. 8) Metadata: Information about an image file such as copyright information. You can set this at File>File Info. 9) Rasterize: To convert a vector image to pixels (raster image). Text and shapes created with the shape tool are the only vectors in Photoshop. 10) Resample: To change the dimensions of a raster image by adding or deleting pixels through sampling. 11) Gradient: A gradual fade between colors. 12) Rule of Thirds: The technique of using a grid of three rows and columns and placing important elements where the lines meet. 13) Crop: To cut out unnecessary parts of an image to improve framing, highlight a subject or change the image's aspect ratio. 14) Grayscale: The use of only black, white, and shades of gray in an image. 15) Saturation: The intensity (brightness) of a color. 16) Value: The lightness or darkness of a color. 17) Creative Commons: Copyright license that allows anyone to use a work in certain ways with permission from the creator. 18) Non-Commercial: Copyright license that does not allow profit to be made from the use of a creative work. 19) Public Domain: Creative work that can be used without permission because it is owned by the public and not an individual. 20) Development Order: 1-Planning, 2-Designing, 3-Building, 4-Testing, 5- Publishing 21) Orientation: Specify a page orientation for the document as either portrait or landscape. 22) Foreground: Elements in a composition that are closest to the viewer. 23) No Derivatives: Copyright license that allows others to use a creative work but it cannot be changed in any way. 24) Share Alike: Copyright license that allows others to reuse, remix, and modify a creative work, but any derivative (changed) works must be distributed under the same terms and conditions as the original work. 25) Iterative Design: involves a continuous cycle of planning, analysis, implementation, and evaluation. 26) Rule of Thirds: The technique of using a grid of three rows and columns and placing important elements where the lines meet. 27) Gestalt Principle: when things appear to be similar to each other, we group them together. 28) Emphasis: The principle of design that highlights the most important elements in a composition to draw the viewer's attention.