Posted by dellus on Apr 17, 2016; 11:50am
URL: https://forum.librecad.org/How-to-joint-objects-then-copy-and-paste-the-joined-object-tp5713478p5713480.html

If you really want to join objects you have to use the "create block" command. In certain cases also "create polylines of existing segments" will do.
For move/copy it is enough to select them together, as you did. After clicking move/copy look at the command line. It asks for "specify reference point" and then "specify target point".