Visual Design refers to the look and feel of an application's interface, which can include everything from fonts, colors, spacing, images, buttons to menus. Visual design is typically one of the first steps in the app development process because it helps define how the final product will work.
These articles describe the visual design of an app, usually including screenshots or mockups of key interface elements. Visual design articles are often accompanied by detailed specifications for each screen. Additional topics related to visual design include form layout, user interfaces, and aesthetic choices.