Konverze měn: infografika prvků amerického dolaru

Card grid infographic titled "US Dollar Features". 8 uniform cards in a clean grid, sketchnote style, navy and gold palette, editorial reference-poster illustration. Theme: generic educational overview of United States dollar banknote features using non-copyrighted, generic banknote representations only, with accurate currency code usage. Each card must contain a clear central icon or diagram, a name in English, and a one-line description in English. Suggested cards: 1) "USD — United States Dollar" with a generic note stack and coin symbol, description about official currency code USD. 2) "Symbol $" with a large dollar sign, description about common symbol usage. 3) "Federal Reserve Note" with a generic banknote layout, description about note type in circulation. 4) "Portrait Area" with a placeholder oval portrait silhouette, description about the main identity area on notes. 5) "Treasury Seal" with a generic circular seal icon, description about official seal placement. 6) "Serial Number" with a stylized alphanumeric strip, description about unique note identification. 7) "Security Features" with simplified watermark, security thread, and microprint callouts, description about anti-counterfeit elements. 8) "Denominations" with generic bills labeled 1, 5, 10, 20, 50, 100, description about common note values. Add subtle supporting doodles for exchange and finance context, but no Czech text on image and no visible search-intent phrase rendered in the artwork. Generic educational banknote diagrams only, no copyrighted real banknote face reproductions, no exact real-person portraits, no official emblems copied precisely, no photorealism. 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 real brand logos, no watermarks Generic banknote representations — no copyrighted real banknote face reproductions. Currency codes accurate.