noun a central stone at the summit of an arch, locking the whole together
In history, the term keystone is sometimes used metaphorically to refer to a pivotal event or figure that shapes the course of events.
In business, the term keystone is used to describe a key element or component that holds a project or organization together.
In geology, a keystone refers to a wedge-shaped piece at the summit of an arch formed by the intersection of two vaults.
In architecture, a keystone is the central, wedge-shaped stone at the top of an arch, holding the other stones in place.
In ecology, a keystone species is a species that has a disproportionately large effect on its environment relative to its abundance.
In the field of writing, 'keystone' can refer to a central idea or theme that holds together the rest of the work, similar to how a keystone holds together an arch.
Psychologists may use the term 'keystone' to describe a key concept or theory that forms the foundation of their practice or research.
For architects, a 'keystone' is the central stone at the top of an arch that holds the structure together. It is a crucial element in the stability and integrity of the arch.
In project management, 'keystone' can refer to a critical task or milestone that is essential for the success of the entire project. It is often a key focus area for project managers.
Educators may use the term 'keystone' to describe a fundamental concept or skill that is essential for students to master before progressing to more advanced material.