Automotive
What is Tier-1 Supplier?
A direct supplier to the OEM. They deliver batteries, ADAS modules, interiors, and other integrated subsystems for the vehicle program.
In real work
Tier-1 supplier integration call: ZF needs our CAN signal list frozen by Friday for their domain controller bring-up.
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.