A musical motive is a short musical idea that is consist of just a few notes or maybe a part of a larger theme. Shortening a musical motive is taking away some notes or only using a part of it
To shorten the musical motive, the composer uses fragmentation.
One of the most basic components of music motive development is fragmentation where one part of a motive may be repeated and then variations are introduced into it to distinguish it from the rest of the motive. This technique shortens the length of the motive.
The court case Constantin Brancusi v. United states determined that a bird in space was a piece of art, and not a kitchen utensil as US Customs believe it to be