"To give an explanation" means to provide a clear and understandable reason or justification for something. It involves giving information or details that help others understand something better. Full definition
And unlike authoritarian parents, who don't give explanations for their rules and withhold love and affection as punishment, authoritative parents value open communication with their child and give ample emotional support. (romper.com)
The big problem is that some companies ask you to choose which category you belong in without giving an explanation of how this all works. (lifeinsurancehub.net)