Terminology

This page contains a list of frequently used terms relating to charts and what they mean.
 * New/Debut: A song's first appearance on a chart at a specific position.
 * Dropout: When a song leaves the chart.
 * Re-entry: When a song returns to the chart after previously dropping out.
 * Peak: The highest position a song has reached on the chart.
 * Greatest gainer: In a chart week, this highlights the most positions a song has increased in the chart.
 * Best comeback: In a chart week, this highlights the highest position for a re-entering song in the chart.
 * Greatest laster: In a chart week, this highlights the most consecutive weeks in the top 100 a song has spent debuting in that week.
 * Longest chart sitter: In a chart week, this highlights the most weeks in the top 100 a song has spent in the chart.
 * Chart run: The performance of a song in the chart, showing its positions each week.
 * Consecutive: For example, consecutive weeks are weeks one after another, so weeks in the chart after re-entering are not included in the count.
 * Climbs/falls: A climb is when a song gets higher in the chart, and a fall is when it gets lower in the chart.
 * Natural dropouts from the top 40: A song that drops out from the top 40 and the top 100 in 1 week (see the page here )
 * Release: When a single/album is available for download, or the term 'release' means a single or album.
 * One Week Wonder: A one week wonder is a song/album that only charted in the top 100 for one week.
 * One Hit Wonders: A number one single from an artist which has been their only top 100 single.
 * Non-movers: A song/album that has stayed at a position for 2 or more weeks.
 * Lead artist: The agreed artist of a song that performs or produces most of the track.
 * Featuring artist: An artist which provides additional vocals, songwriting or production alongside a lead artist.
 * Collaborations: A collaboration is a joining of 2 or more artists in a song or production of an album. For bands, this does not count as a collaboration.