The term "picture element" is commonly abbreviated as "pixel," and refers to the smallest unit of a digital image. Synonyms for this term include "dot," "point," and "pictel." Other variations of this term can include "image element," "screen element," or simply "element." Additionally, individual pixels are often referred to by their specific color values, such as "red, green, and blue" or "RGB" pixels. In the context of graphics editing software, pixels may also be referred to as "layers," "masks," or "patterns." Regardless of the terminology, all of these terms are used to describe the basic building blocks of digital imagery.