key
An object designed to open and close a lock.
An object designed to fit between two other objects (such as a shaft and a wheel) in a mechanism and maintain their relative orientation.
A crucial step or requirement.
A small guide explaining symbols or terminology, especially the legend on a map or chart.
A guide to the correct answers of a worksheet or test.
One of several small, usually square buttons on a typewriter or computer keyboard, mostly corresponding to text characters.
In musical instruments, one of the valve levers used to select notes, such as a lever opening a hole on a woodwind.
In instruments with a keyboard such as an organ or piano, one of the levers, or especially the exposed front end of it, which are depressed to cause a particular sound or note to be produced.
A scale or group of pitches constituting the basis of a musical composition.
The lowest note of a scale; keynote.
Sound Patterns & Rhymes
Alliteration
Words starting with the same consonant sound — used in poetry and prose to create rhythm, emphasis, and memorable phrasing (e.g. “Peter Piper picked”)
Assonance
Words sharing similar vowel sounds regardless of starting letter — creates internal melody in writing