Over time, it became a metaphor for informal but effective methods. While not exact, rules of thumb are valuable for decision-making in everyday life.

Anime female character, chic boho, maxi dress, layered bracelets, floppy hat, sunflower field.

A cute closeup of a dog's nose with a flower growing from it, expressive eyes, studio plain light background, Pixar style, Disney style.

An Asian girl dancing in front, captured with a fisheye lens from a high angle. She is wearing white sneakers and has black hair with bangs, holding up her hand to the camera. The woman is wearing grunge fashion in the style of Y2K girls.

A cute, fluffy, furry white monster with big eyes hiding behind a red blanket, looking at a little boy in a green sweater on a blue background in the style of illustrator Capey Ponsot and Edward Gorey. The style is simple, minimalist, cute, playful, detailed, with bold colors, and a flat illustration style, resembling clipart or a t-shirt design, with no text or letters.

An outdoor scene on a clay tennis court, with transparent and bright lighting. A young American female tennis player, with facial features similar to Scarlett Johansson, raises her head to look up at a tennis ball in the sky, shielding her eyes from the bright sunlight with one hand, sweat dripping down her face. She is wearing a modest navy blue summer tennis outfit with a short-sleeved polo shirt and knee-length skirt, along with a tennis cap. Strong sunlight under a blue sky with visible sunbeams (Tyndall effect), rays of light clearly shining on her face, in a photorealistic style.

How to save the earth, visual schematics for inventions

In the style of Arthur Dove, character, ink art, side view

in the style of Bill Traylor, character concept design, half body

Simple and clean logo of the letter F with a white background, award-winning design