Digital song sales refer to the number of times a song is purchased and downloaded from online music platforms, such as iTunes or Amazon Music, rather than streamed. This metric is widely used in the music industry to track the popularity and commercial success of individual songs. Digital song sales are a key component in compiling music charts, such as the Billboard Hot 100, and can influence an artist’s ranking and visibility. Unlike streaming, each digital sale represents a direct purchase by a consumer, providing clear data on consumer demand. The metric has become less dominant with the rise of streaming but remains important for chart calculations and industry analysis.