Extended description tags make it possible to have a short description for the album outside the album, a longer description for the album inside the album page, or even 2 distinct descriptions inside the album page.

<!--more-->

Only the short description is displayed outside the album. On the album page, you will see short description + long description.

short description <!--more--> long description

<!--complete-->

Only the short description is displayed outside the album. On the album page, you will only see the long description, so you have 2 distinct descriptions.

short description <!--complete--> long description

<!--up-down-->

Only the top description is displayed outside the album. On the album page, the top description is displayed above the thumbnails, the bottom description is displayed below the thumbnails.

top description <!--up-down--> bottom description