My words for tofu will be different as I use mainly Hokkien / Teochew words for them. But there will be an equivalent in Mandarin, Cantonese, Vietnamese, Thai, Japanese, Korean...
2. Doufu gan (what I call 'tau kwa') is a pressed tofu that can be plain, or seasoned. It's very sturdy and is even eaten as a snack on its own.
How to prepare it: https://thewoksoflife.com/pressed-tofu-plain-or-spiced/
I always have bags of these spicy doufu gan snacks: https://www.sayweee.com/en/product/Jinduigu-Hand-Made-Roasted-Tofu-Snack/5258?trace_id=3fd9d9dc-f44a-486d-a64c-ad0412910ae4