Please advic eon an error related to external links on this tehem. We cannot add external links on this theme to some features, only internal links. Please help

For example those theree round areas (st Lucia, jamaica and so on) from the front page, we wanted to be linked to external sites. Well we cannot to this. We seted up on the menus or the component settings, but it cheeps seeing the internal article. how can we fix it?