.htaccess URL重写问题 急，急，急

# Use PHP5 Single php.ini as default
<FilesMatch "\.(bak|inc|lib|sh|tpl|lbi|dwt)$">
order deny,allow
deny from all
</FilesMatch>
RewriteEngine On
RewriteRule ^iphone4\/$     goods\.php\?id=152   [QSA,L]  RewriteRule ^iphone4$           goods\.php\?id=152  [L] 
 RewriteRule ^product/(.+?[^html])$   $1   [QSA,L]RewriteRule ^product/([0-9]+).html$   goods.php?id=$1   [QSA,L]RewriteRule ^category/(.+?[^html])$   $1   [QSA,L]RewriteRule ^category/([0-9]+).html$   category.php?id=$1   [QSA,L]RewriteRule ^article/(.+?[^html])$   $1   [QSA,L]RewriteRule ^article/([0-9]+).html$   article.php?id=$1   [QSA,L]RewriteRule ^about/(.+?[^html])$   $1   [QSA,L]RewriteRule ^about/([0-9]+).html$   article.php?id=$1   [QSA,L] RewriteRule ^sm\/(.+?[^html])$   $1   [QSA,L]RewriteRule ^sm\/$     goods\.php\?id=132   [QSA,L]  RewriteRule ^sm$           goods\.php\?id=132  [L] RewriteRule ^shuangmo\/(.+?[^html])$   $1   [QSA,L]RewriteRule ^shuangmo\/$     goods\.php\?id=133   [QSA,L]RewriteRule ^shuangmo$           goods\.php\?id=133  [L]  
这些中的红色是什么意思。翻译出来最好、
我想找到某个网页但是没找到。这个我也不知道怎么找了。