Rectilinearity refers to the state or quality of having straight lines or being composed of straight lines. Synonyms for rectilinearity include linearity, straightness, evenness, smoothness, regularity, bearing, symmetry, exactitude, precision, and neatness. These terms are often used in fields such as mathematics, engineering, and architecture to describe objects or structures that are composed of straight lines, such as buildings, roads, and bridges. In addition to its technical use, the concept of rectilinearity can also be used metaphorically to describe personalities, communication styles, and relationships that are straightforward, direct, and unambiguous.