Alignment
Alignment may refer to:

Archaeology
Alignment (archaeology), a co-linear arrangement of features or structures with external landmarks
Stone alignment, a linear arrangement of upright, parallel megalithic standing stones

Biology
Structural alignment, establishing similarities in the 3D structure of protein molecules
Sequence alignment, in bioinformatics, arranging the sequences of DNA, RNA, or protein to identify similarities
Alignment program, software used in sequence alignment

Engineering
Road alignment, the route of a road, defined as a series of horizontal tangents and curves, as defined by planners and surveyors
Railway alignment, three-dimensional geometry of track layouts
Transfer alignment, a process for initializing and calibrating the inertial navigation system on a missile or torpedo
Shaft alignment, in mechanical engineering, aligning two or more shafts with each other
Wheel alignment, automobile wheel and suspension angles which affect performance and tire wear

Technology
AI alignment, steering artificial intelligence systems towards the intended objective
Alignment level, an audio recording/engineering term for a selected point in the audio that represents a reasonable sound level
Business–IT alignment, how well an organization is able to use Information Technology to achieve objectives
Data structure alignment, arranging data in computer memory to fit machine design, also known more simply as an alignment structure
Music alignment, linking various music representations (sheet music, audio, video, MIDI, etc.) related to a given musical work
Partition alignment, letting address ranges of hard disk drive partitions start at certain physical boundaries or at multiples of units such as 4 KB or 1 MB

Linguistics and typography
Morphosyntactic alignment, the linguistic system used to distinguish between the arguments of transitive and intransitive verbs
Parallel text alignment, the identification of corresponding sentences in original and translated texts
Typographic alignment, placement of printed matter relative to a page, column, margin, etc.

Other forms of alignment
Alignment of random points in statistics representing data points that lie on a relatively straight path
Alignment of the body in a dance hall, see Direction of movement#Basic directions of movement with respect to the room
Chiropractic alignment, another term for chiropractic adjustment
Constructive alignment, a method of devising teaching activities that directly address learning outcomes
Ontology alignment, the process of determining correspondences between concepts
Planetary alignment, in astronomy, a straight line configuration of three celestial bodies

Politics
Alignment (Israel), political party from 1965 to 1992

Entertainment
Alignment (role-playing games), the moral and ethical perspective of the characters, monsters, and societies
Alignment (Dungeons & Dragons)
The Alignment, a 2012 album by Samestate
Alignments (album), a 2020 album by Double Experience

See also
Unaligned (disambiguation)