What does the red light mean?

What does the red light mean? what does"red ball"mean? what does "light"mean in Chinese______ What does the word "light" mean in Chinese in this poem? what does the word mean? what does the man mean What does the picture mean? what does the sign mean. country mouse does not like the red light翻译 what does "play in the hey" mean? What does the word 'hero' mean?翻译 What does the underlined sentence mean?是什么意思