red wood cubes are rejected and replaced with green wood cubes. the concept of questions and answers
Palabras clave
advice,
alphabet,
answer,
demand,
background,
block,
chat,
comment,
communication,
confusion,
conversation,
design,
dialogue,
dialogue,
difficult,
discussion,
doubt,
faq,
feedback,
frequency,
frequently,
help desk,
icon,
idea,
information,
cyberspace,
letter,
mark,
message,
notification,
problem,
query,
question,
quiz,
reply,
social,
solution,
symbol,
talk,
text,
uncertain,
why,
word