The phrase "couple or families" refers to a group consisting of two people (a couple) and their children, or multiple couples with their children. Full definition
This house can comfortably accommodate up to 4 guests, making it ideal for couples or a family with young children. (travelground.com)
Rooms provide for couples or families with tea and coffee making facilities, refrigerator, ensuite, colour TV, direct dial telephone and reverse cycle heating and cooling. (wikiaustralia.com)
Three and a half star accommodation catering for couples or families of up to six people. (wikiaustralia.com)