A basic guitar chords chart is an essential tool for beginners looking to learn the foundational chords on the guitar. It typically displays the most common chords, including major, minor, and seventh chords, with visual diagrams showing the fretboard and where to place fingers. Each chord diagram shows the strings and frets, with dots representing the finger placement. By following the chart, beginners can quickly learn how to form chords like C, G, D, E, and A, which are widely used in many songs.