This is the 8692nd most frequent Russian word.
партии
The Russian word "партии" can mean "parties" (political groups or social gatherings) or "parts" (in music or division), depending on context.
In this sentence, 'партии' refers to organized groups with a political agenda or ideology.
Партии политических деятелей собираются на съезд.
Political parties convene for a congress.
Here, 'партии' denotes the music written for the individual instruments in a composition.
Оркестр исполнял партии различных инструментов.
The orchestra played the parts of various instruments.
In this context, 'партии' means batches or shipments of goods or works.