場記板

clapper board

board / plank / plate / shutter / table tennis bat / clappers (music) / CL:塊|块[kuai4] / accented beat in Chinese music / hard / stiff / to stop smiling or look serious

see 老闆|老板, boss

to catch sight of in a doorway (old)

to record / to note / to memorize / to remember / mark / sign / classifier for blows, kicks, shots

threshing floor / classifier for events and happenings: spell, episode, bout

large place used for a specific purpose / stage / scene (of a play) / classifier for sporting or recreational activities / classifier for number of exams