<P> In North American English and Australian English , the word `` block '' is used as an informal unit of distance . For example , someone giving directions might say , `` It 's three blocks from here '' . </P>
<P> In North American English and Australian English , the word `` block '' is used as an informal unit of distance . For example , someone giving directions might say , `` It 's three blocks from here '' . </P>
what does it mean to walk a block
what does it mean to walk a block
unit of distance
unit of distance