Here are the answers to your questions:
1. The text is coming up from Joomla framework
2. Do you mean adding name field to Field attributes?
3. You won't be able to delete field attributes as these are the required parameters to differentiate different pages. Please let us know why you want remove it so that we can understand your requirement and provide some work around to it.
First, there is the text "< class="moduletable ">" above the comment field.
2.: How can i put a name field to the profile?
3.: I can´t delete field attributes
4. Please rename my Account here, i don´t want to show my complete name.
Thanks and greetings from Germany