- Life time: the biological time table the chronological passage of time indicated by puberty, the graying of hair, menopause, reduced levels of strenuous activity.
- Social time: age grading and expectations the time to go to school, the time to raise a family, the time to retire. Many of the major shifts of the life cycle are orderly and sequential, but many are social, rather than biological in nature and their timing is socially regulated – a social time clock is superimposed on the biological clock.
- Historic time: political, economic, social events such as war, recession, or resurgence of religion that affects what we do and when we do it.
Growing and aging are processes that no two people experience in the same way, at the same pace, or with the same assets and limitations. Priority issues and skills needed vary across the adult life span and include: Health; Education/Skill Development; Employment; Financial Management; Social Relationships: Fun; Recreation; Meaningful Activities; Leisure; Housing; Transportation & Mobility; Legal Issues; and, Support Services.
- Administration on Aging: Mapping Your Future http://www.aoa.gov
- American Academy of Family Physicians: http://www.familydoctor.org
- American Association of Retired Persons: http://www.aarp.org
- Healthy & Ready to Work National Center http://www.hrtw.org
- New Freedom Initiative Federal Government portal: http://www.disabilityinfo.org