what is this chart all about?
It lists the top-selling singles in the United Kingdom, based upon physical sales, paid-for downloads and streaming
UK Singles Chart
The UK Singles Chart (currently entitled Official Singles Chart) is compiled by the Official Charts Company (OCC), on behalf of the British record industry, listing the top-selling singles in the United Kingdom, based upon physical sales, paid-for downloads and streaming. 
what is take a bow by rihanna about It tells of how the female protagonist expresses disinterest in rekindling her relationship with a dishonorable and unfaithful ex-boyfriend what is this? It is a song recorded by Rihanna who wrote this song? Tor Erik Hermansen, Mikkel Eriksen, and Shaffer Smith under their stage names StarGate and Ne-Yo who this this last mentioned person? It is an American singer-songwriter, record producer, actor, dancer and television judge what is his real name? Shaffer Chimere Smith where is he from? Arkansas, later moved to Las Vegas how did he start his career in music? Smith adopted the stage name GoGo and joined an R&B group called Envy what is the backdrop of the aforesaid song? It was released as the fifth overall single from "Good Girl Gone Bad", but the first from the re-release of the album, entitled "Good Girl Gone Bad: Reloaded" how did it do in europe? In the United Kingdom, it debuted at number two on the UK Singles Chart on May 24, 2008
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UK Singles Chart [SEP] Introduction
The UK Singles Chart (currently entitled Official Singles Chart) is compiled by the Official Charts Company (OCC), on behalf of the British record industry, listing the top-selling singles in the United Kingdom, based upon physical sales, paid-for downloads and streaming. The Official Chart, broadcast on BBC Radio 1 and MTV (Official UK Top 40), is the UK music industry's recognised official measure of singles and albums popularity because it is the most comprehensive research panel of its kind, today surveying over 15,000 retailers and digital services daily, capturing 99.9% of all singles consumed in Britain across the week, and over 98% of albums.