Yes, 懂 (Dǒng) is also perfectly fine.
Accepted Jan 17, 2020
你的意思我不明白 is also accepted
我不明白你的写。Can I write this to mean I didn't understand what you wrote?
白 (bái) = white/pure/bright
百 (bǎi) = hundred
拍 (pāi) = to take (a photo) as in 拍照 (pāi zhào = to take a photo)