Mr. Ivy League wrote:
Learn to be proper for your reporting on running.
5k - vernacular term used for inexact road race and cross country distances
5000M - the exact distance raced on an oval track of various sizes and complexities (see Zurich town square and 300M+ indoor facilities).
That would be INCORRECT as the Road 5k has been an official distance since the end of 2018 and there are now WR holders. In fact there will be a 5K WC during the HM WC starting in 2023.
Whether the Paris 5k with KIP is an official 5k is another question but it probably won't be given the "format".