Since it's not always clear what type of care is best for you or your loved one, here's a quick explanation of each kind and who, in a general way, they're for.

Assisted living communities offer basic supervision and services—meals, housekeeping, and help with activities of daily living--in a residential environment. It's best for those who need some assistance and help but not the extensive care a nursing home provides.

In-home care agencies provide caregivers who offer assistance with activities of daily living—everything from grocery shopping and meal preparation to nonmedical personal care, such as toileting, bathing, and so on.

Independent living communities and senior apartments offer a place for seniors to live with organized social events and recreational activities. They're best for seniors in overall good health, usually age 55 and older, or 62 and older, who wish to maintain a healthy, active lifestyle.

Continuing care retirement communities, or CCRCs, offer a full range of housing choices and services in one complex, from apartments to assisted living units to nursing-home care. Costs can be high, usually requiring a sizable entrance fee or purchase of unit, plus monthly rents of $1,800 and up. Many CCRCs require people to sign up while still healthy. CCRCs are best for those who want to be able to stay in one place, can afford it, and are able to plan far ahead.