Unable to answer "Can bicycles be charged here, too?" – Charging Station – node/12139598292 via StreetComplete 62.2:

It's a power distribution unit by Leipziger Stadtwerke. It has two dedicated car parking spaces next to it. The notes say nothing for or against bikes.

Unable to answer "What kind of building entrance is this?" – node/11681455650 via StreetComplete 62.2:

Entrance has a note saying that the bells and main entrance are reachable via the courtyard. This seems to be used as only an entrance for privileged people with keys. Maybe it is also used as a general/emergency exit, but there are no signs signifying that.

Unable to answer "What is the widest gap one can pass through here?" – Block – node/1481504866 via StreetComplete 62.2:

It seems the rocks may sometimes be moved. Went by today and found a gap around 3 or 4 meters between some. They seem to have been moved for some occasion though. Other gaps are around 1m maybe

Unable to answer "What’s the name of this street?" – Minor/Unclassified Road – way/33289460 via StreetComplete 62.1:

Came by both ends. No street sign visible.

Unable to answer "Do you have to pay to park here?" – Parking Lot – way/539092664 via StreetComplete 62.1:

Parking is for customers of adjacent businesses.

Unable to answer "What’s the weight limit here?" – on bridge: B 206 (Primary Road) – way/118471947 via StreetComplete 62.1:

When driving over the bridge no sign indicating allowed tonnage was visible.

Unable to answer "What are the opening hours here?" – La Strada (Italian Restaurant) – way/219534337 via StreetComplete 62.1:

Opening hours differ by day: 16:00-22:30 Tuesday - Friday, 12:00-22:30 on Sat/Sun and Holidays, closed on Mondays.

Unable to answer "Does this bench have a backrest?" – Bench – node/1356664523 via StreetComplete 62.1:

Looked thoroughly and couldn't find this bench.