Hands in front of chalkboard
Palabras clave
university,
university,
lesson,
class,
class,
hand,
blackboard,
point,
pointing,
pointer,
school,
school,
college,
college,
educational,
education,
communicate,
communicating,
communication,
message,
conceptual,
blackboard,
signs,
concept,
drawing,
black,
board,
white,
chalk,
handwriting,
hand,
writing,
text,
chart,
write,
word,
diagram,
content,
background,
design,
texture
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