Built Heritage and Adaptiv Reuse - Su Se 2018
Adaptive reuse is conventionally defined as "the process of adapting old structures for new purposes".
So in general terms, it means that you take an existing building and repositioning its function - for example, you have an old train station and you transform it into a commercial office. It is the midway point between historic preservation and demolition.
And whilst adaptive reuse refers to architecture in essence, it is about the 'old becoming new'.