This meaning refers to a specific point or level in a process or development, often used to describe different stages of a project or life cycle.

This meaning indicates a distinct part or division of a whole, often referring to subdivisions of a document, a physical space, or a larger system.

This meaning is used to describe a particular stage in a process, often associated with specific characteristics or developments, typically in scientific or technical contexts.

This meaning refers to a duration of time during which certain events or conditions occur, often used in historical, academic, or developmental contexts.