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This aspect ratio (roughly 1:1.41) is the backbone of professional documentation. Because it mimics the A4 shape, it is the go-to choice for:

Many creators use this verticality to guide the reader’s eye downward through a narrative. 2. Compositional Tips 1000x1403 ">

Place your focal point in the top third to create a sense of height or importance. This aspect ratio (roughly 1:1

Use the bottom 20% for "grounding" information (like logos or dates) and the top 30% for your "hook" or headline. 1000x1403 ">

It fits perfectly on tablet screens for a natural "page-turning" feel.