Improvisation, often shortened to improv, is the activity of making or doing something not planned beforehand, using whatever can be found.[1] The origin of the word itself is in the Latin "improvisus", which literally means un-foreseen – but it is also related to both the old French word "emprouer" and the English "improve", to improve.[2] Improvisation in the performing arts is a very spontaneous performance without specific or scripted preparation. **The skills of improvisation can apply to many different faculties, across all artistic, scientific, physical, cognitive, academic, and non-academic disciplines.**
https://en.m.wikipedia.org/wiki/Improvisation
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