Definition Of stages
(in chronostratigraphy) a range of strata corresponding to an age in time, forming a subdivision of a series.
In the Canaries, the lavas are much more compositionally varied in each of these stages , ranging from tholeiitic basalts to phonolites and trachytes.
a floor or level of a building or structure.
the upper stage was added in the 17th century
a point, period, or step in a process or development.
there is no need at this stage to give explicit details
a raised floor or platform, typically in a theater, on which actors, entertainers, or speakers perform.
there are only two characters on stage
diagnose or classify (a disease or patient) as having reached a particular stage in the expected progression of the disease.
It is used in the initial diagnosis, in staging the patient, and in some therapies.