Leverage Browser Caching

How do I leverage browser caching on my website?

<IfModule mod_expires.c>
ExpiresActive On
ExpiresDefault A0
<FilesMatch "\.(txt|xml|js)$">
ExpiresDefault A691200
</FilesMatch>
<FilesMatch "\.(css)$">
ExpiresDefault A691200
</FilesMatch>
<FilesMatch "\.(flv|ico|pdf|avi|mov|ppt|doc|mp3|wmv|wav|mp4|m4v|ogg|webm|aac|eot|ttf|otf|woff|svg)$">
ExpiresDefault A691200
</FilesMatch>
<FilesMatch "\.(jpg|jpeg|png|gif|swf|webp)$">
ExpiresDefault A691200
</FilesMatch>
</IfModule>