You enter a couple of words. Then hit generate. Seconds later, you see a dragon riding a bicycle in Tokyo. It is not magic, it is mathematics. Insanely complicated math, but still math. This is what is really happening. Millions of labeled images are used to train these tools. With time, the model becomes familiar with patterns - what fluffy is, how shadows work, what makes something feel vintage. When you enter a prompt, it generates something based on those learned patterns. It is not so much drawing as it is very confident guessing.

The difference between top results and mediocre ones? ImgEdit The answer is prompts. All so very ugly, yet true. You request a cat, you get a cat. A grumpy orange tabby on a rainy windowsill in oil painting style gives you something special. Writing effective prompts is an art - one people are paid for.
Various tools approach this differently. There are those who are more photorealistic. Some specialize in vibrant illustration or concept art. Certain tools allow reference images and modifications, such as turning them into dinosaur versions. The difference is colossal.
A key confusion: these tools do not actually think. They are not aware of what you meant. They only process what you explicitly say. Request a man holding a light and it could be a flashlight, candle, or glowing sphere. The tool is not flawed, you left too many possibilities open.
The uncomfortable topic is copyright. Ownership of AI images is still unclear. Regulations have not caught up yet. Some claim ownership, others grant it to users. Before you cash in on anything, read the fine print.
The speed factor is incredible. What used to require a talented illustrator some hours, a detailed scene, a particular mood, a particular color palette, now only requires a few seconds. It does not mean artists are no longer valuable. It is just another tool, like a typewriter evolving into a keyboard.
Create mood boards, quick prototyping, book covers, game art, social media art. Its use cases are expanding faster than expected. You no longer need to be a designer to bring ideas to life visually. That change is yet to sink in.