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This is helpful visual reference for the most common kinds of components that are used in web applications and what they are called.

Addy Osmani recently mentioned it as a good reference for using the correct names for things when asking LLMs to build certain UI interfaces.

When delegating tasks to coding agents, the quality of your output is bottlenecked by the specificity of your input. If the only vocabulary you use in your prompts are generic words like "menu" or "button," the model will naturally return generic results.