20s
30s
blackwhite board
blank
board
business
business person
businessman
businessmen
commentary
copy space
cut illustration
description
fashionable
illustration
instructor
internal
juku
learning
lecture
lifelong learning
line art
male
margin
message
message board
message space
person
pointing stick
prep school
presentation
recurrent
recurrent education
seminar
simple
speak
stick
study
teacher
university
white back
white background
work
yellow
young