Here is a broken restriction no_left_turn. Please tell me, is it possible to turn left here?

Here is a broken restriction no_u_turn. Please tell me if it is possible to turn around here?

Here is a broken restriction no_left_turn. Please tell me, is it possible to turn left here?

Here is a broken restriction no_left_turn and no_u_turn.
Please tell me, is it possible to turn left and to turn around here?

Here is a broken restriction no_left_turn. Please tell me, is it possible to turn left here?

Here is a broken restriction no_left_turn and no_u_turn. Please tell me, is it possible to turn left and to turn around here?

Please tell me if there is a restriction no_left_turn on De-Saint-Exupéry-Straße here?

Hi, can you tell me if there really are roads here?

Hi, tell me about the essence of these one-way tracks. Do they really exist?

Hello!
Please clarify, someone from the local, the presence of the track, does it look more like the border of something?
According to the pictures, somewhere there is a track, and somewhere there is not.
Thank you in advance.