Close off and Close out

Close off verb - To disallow entry into (a place) by means of a physical barrier at the entry point.

Close out and close off are semantically related. in obstruct topic. In some cases you can use "Close out" instead a verb "Close off".

Close out verb - To bring (an event) to a natural or appropriate stopping point.

Close off and close out are semantically related. Sometimes you can use "Close off" instead a verb "Close out".