Stage

The Simple English Wiktionary has a definition for: stage.

Stage or Stages can mean one of the following:

Arts and media

Acting

Stage (theatre), a platform on which actors in a theatre perform
Theatre, a branch of the performing arts, often referred to as "the stage"
The Stage, a weekly British theatre newspaper

Songs

"Stages" (song), by ZZ Top, 1986

Science

Stage (geology), a period of time, shorter than an epoch

Other uses

Stagecoach, a vehicle pulled by horses
A step of development, or one particular event in a chain of events, or one particular step in a number of steps