The term "BestNr" is a shortened form of the phrase "Bestellnummer", which in German means "order number". The pronunciation of this word can be broken down using the IPA phonetic transcription as follows: /bɛstnʊmər/. The "e" in "Best" is pronounced as the short "e" sound like in "pet", while the "st" in "Nr" is pronounced as the "s" and "t" sounds together. The "u" in "Nr" is pronounced as the "oo" sound like in "moon". With this understanding, it is easier to spell and pronounce "BestNr" correctly.