Accords guitare tableau infographique des accords ouverts

Music theory infographic titled "Open Guitar Chord Chart". GUITAR CHORD CHART archetype, editorial music education poster, clean music education style, vibrant primary palette. Show a precise guitar fretboard chord-chart layout with multiple open-position chord diagrams arranged in a clear grid. Each diagram must render 6 vertical strings and at least 5 horizontal frets, with accurate nut line, open-string markers, muted-string markers, and finger-position dots with finger numbers. Include musically accurate open guitar chords such as C, A, G, E, D, Am, Em, Dm, and optionally A7, E7, D7, G7, with correct string/fret placement. Add note-name labels and chord symbols in canonical form only. Include small interval callouts where relevant, visually showing root, 3rd, 5th, and optional 7th on selected diagrams. Emphasize readability, symmetry, and instructional clarity, with crisp vector lines, high contrast, flat infographic design, subtle legend blocks, and neatly aligned captions. No copyrighted song lyrics or sheet music. All text MUST be written in English (array). Every heading, label, caption, legend and metric name in the image must be in English — not English. Spell each English word correctly using English characters and diacritics. Numbers stay as digits, no watermarks Musically accurate notation, finger positions and intervals. Note names and Italian musical terms stay in canonical international form. No copyrighted song lyrics or sheet music.