Some people vocation in permanent camps with cabins and other facilities (such as hunting camping or children's summer camps),but a stay at such a camp is usually not considered camping. The term camping(or camping out)may also be applied to those who live outdoors,out of necessity(as in the case of the homeless),or for people waiting overnight in queues. It does not,however apply to cultures whose technology does not include sophisticated dwelling. Camping may be referred to colloquially as roughing it,and usually lasts for more than a day.