Stability refers to
|“||[a]ttributes of software that bear on the risk of unexpected effect of modifications.||”|
The stability of a system relates to its response to inputs or disturbances. A system which remains in a constant state unless affected by an external action and which returns to a constant state when the external action is removed can be considered to be stable.
|“||the [p]roperty of a measuring instrument or standard, whereby its metrological properties remain constant in time.||”|