Rectangle Infographics in Civilization History Timeline

Educational infographic poster titled "Rectangle Infographics in Civilization History" in portrait layout, with a clean rectangular composition grid; text labels must be sharp, high-contrast, and fully readable in clear English sans-serif typography. Create a simple 4-stage historical timeline infographic for expert reference, using numbered labels, connecting arrows, and tidy rectangular information panels.

1. heading: "Clay Tablets"; caption: "Early civilizations organized records in rectangular writing surfaces."; visual: a rectangular stone-like panel showing a Mesopotamian clay tablet with neat cuneiform marks, small archive shelf icon, and a thin callout line labeling the tablet as the first structured information block.

2. heading: "Papyrus Scrolls"; caption: "Ancient states arranged lists, taxes, and maps in framed columns."; visual: a partially unrolled papyrus scroll with rectangular column divisions, simple Egyptian-inspired record symbols, a border frame diagram, and a small inset showing stacked document sections.

3. heading: "Manuscript Pages"; caption: "Medieval scholars used ruled rectangles to standardize knowledge."; visual: an illuminated manuscript page seen from above, divided into rectangular text blocks and margin notes, with a geometry guide overlay showing page grid lines and a quill icon.

4. heading: "Modern Infographics"; caption: "Today rectangular panels structure historical data for rapid comparison."; visual: a contemporary editorial-style infographic board composed of clean rectangular cards, mini charts, map box, timeline strip, and labeled content modules arranged in a precise grid.

Show clear left-to-right then downward sequential flow using bold blue arrows, dotted connector lines, and visible sequence numbers 1-4 inside circular markers. Include a subtle legend box labeled "Information Frame" and a small bottom timeline ribbon linking the four eras. Emphasize the repeated rectangle motif across every stage with framing boxes, panel outlines, and modular layouts.

Visual style: magazine-grade editorial illustration, vector-clean lines, no photographic textures. Use a professional blue palette with navy, slate blue, steel blue, pale blue-gray, and white; minimal accent tones in muted gold for historical details. Mood: scholarly, precise, refined, and museum-editorial. Keep the design uncluttered, balanced, and optimized for expert reference.

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 Render labels and headings in clean English typography (sans-serif). No real-brand logos, no copyrighted characters, no people that could be identified, no graphic medical content. If the topic touches a regulated domain (medicine, finance, law), keep the explanation conceptual and add no specific dosages, prices or legal advice.