Product
What is Product-Market Fit?
The point where a product genuinely satisfies demand in a real market. Users come back, tell others, and would be upset if it disappeared.
Learn this term every day on iPhone.
One hand-written term. A real workplace example. Thirty seconds before your day gets loud.
In real work
Before adding features, check for product-market fit. Are users returning? Do they tell others? Would they miss it?
How is this different from Googling it?
Google gives a definition. Prompthaus pairs each term with how it shows up in standups, PRs, prompts, and design reviews—then quizzes you until the word sticks. One term a day on iPhone.