<Tr> <Td> Israel Singles Chart </Td> <Td> </Td> </Tr> <Tr> <Td> Netherlands (Dutch Top 40) </Td> <Td> </Td> </Tr> <Tr> <Td> Netherlands (Single Top 100) </Td> <Td> </Td> </Tr> <Tr> <Td> New Zealand (Recorded Music NZ) </Td> <Td> </Td> </Tr>

What is the meaning of the song another brick in the wall