Distinguish Between an Entity Class and an Entity Instance

question 92

Essay

Distinguish between an entity class and an entity instance.

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Definitions:

Depression

An ongoing mental illness signified by a prevailing sorrowful mood or indifference to activities, causing substantial disruption in day-to-day living.

Seasonal Affective Disorder

A type of depression that's related to changes in seasons, typically starting in the late fall and early winter and going away during the spring and summer.

Implicated Hormone

A hormone suspected or proven to play a role in the physiological or behavioral processes being studied.

Preventative Strategies

Approaches or measures taken to prevent the occurrence or recurrence of diseases, disorders, or injuries.