The edit functions you see on your posts are perfectly normal Steffen, everyone has them, they are not particular to your own posts. They are there for your own use, or not, if you wish to change something you've written.
As regards the 'Where's the poet...' section, it is for work members have written themselves, but in the case of as you say translations, if the translation is your own work, then that is fine to post so go right ahead with that.
Hope this clears up your questions.
"Oh what a misery it is to have an intellect in splints".