A normal lattice refers to a type of pattern in mathematics that is symmetrical and evenly spaced. There are several synonymous terms that can be used to describe similar patterns, such as the crystal lattice, periodic lattice, and Bravais lattice. These terms all refer to patterns that have a high degree of symmetry and are regularly repeated throughout a space. The concept of a normal lattice is particularly important in the study of solid-state physics, as it is used to describe the atomic and molecular arrangements of many materials. Synonymous terms for the normal lattice can help to provide alternative ways of thinking about these fundamental patterns, and offer insight into their mathematical properties and applications.