 While the town's name was never directly mentioned, one can infer that the town's name is Hikarizaka based on the many companies and establishments that share this name.There are recurring themes that appear throughout the story.The main theme is the value of having a family, as the title of the series implies because the main scenario writer Jun Maeda mistakenly thought the name of the Irish band Clannad meant "clan" or "family" in Irish.