resolution

Resolution has several related meanings across different domains: a formal decision or statement adopted by a deliberative body; the degree of detail or clarity of an image, display, or recording; and the process of resolving a problem or dispute.

In digital imaging and displays, resolution is the number of distinct elements in an image or on a screen. It is often stated as width by height, such as 1920x1080, or as density, such as pixels per inch. Printers use dots per inch. A higher resolution generally implies more detail, though perceptual quality also depends on viewing distance, compression, and display capability.

In optics and astronomy, resolution refers to the smallest angular separation at which two objects can be distinguished. The Rayleigh criterion provides a quantitative standard for resolving power in telescopes and cameras, influencing design and performance assessments of optical systems.

In governance and law, a resolution is a formal expression of opinion or intention adopted by a vote. It can authorize actions, set policy, or state the position of an organization; its legal effect varies by jurisdiction and context.

For problem solving, resolution denotes the process of finding a solution to a conflict or challenge, including dispute resolution mechanisms, negotiation, and reconciliation.

The term derives from Latin resolutio, from resolvere meaning to loosen or loosen, and has been used in English since the 15th century.