I received an online design challenge. It's a looong question but not too difficult for me. it basically just like an online white board challenge. you need to be allocate your time wisely

Still interviewing — completed a 2-hour take-home interaction design challenge with detailed prompt and instructions. Next is a 45-minute portfolio review focused on design skills, interests, and alignment with their work — mostly digging into the 'whys,' values, and systems thinking.