In this task, we ask you to elaborate the sentence without changing its general meaning. You can do so by explaining further the input sentence, using more precise wording, adding qualifiers and auxiliary information etc.
Q: The discus throw is an event in athletics , where a heavy disc is thrown for distance .
A: 
The discus throw , also known as disc throw , is a track and field event in which an athlete throws a heavy disc — called a discus — in an attempt to mark a farther distance than their competitors .