Glossary of Terms
Generalized Anxiety Disorder (GAD) is characterized by persistent and excessive worry about a number of different things. People with GAD may anticipate disaster and may be overly concerned about money, health, family, work, or other issues. Individuals with GAD find it difficult to control their worry.
https://adaa.org/understanding-anxiety/generalized-anxiety-disorder-gad
Panic disorder is diagnosed in people who experience spontaneous seemingly out-of-the-blue panic attacks and are very preoccupied with the fear of a recurring attack. Panic attacks occur unexpectedly, sometimes even when waking up from sleep. Panic disorder usually begins in adulthood (after age 20), but children can also have panic disorder and many children experience panic-like symptoms (“fearful spells”).
https://adaa.org/understanding-anxiety/panic-disorder
Social Anxiety Disorder, also called social phobia, is intense anxiety or fear of being judged, negatively evaluated, or rejected in a social or performance situation. People with social anxiety disorder may worry about acting or appearing visibly anxious (e.g., blushing, stumbling over words), or being viewed as stupid, awkward, or boring. As a result, they often avoid social or performance situations, and when a situation cannot be avoided, they experience significant anxiety and distress. Many people with social anxiety disorder also experience strong physical symptoms, such as a rapid heart rate, nausea, and sweating, and may experience full-blown attacks when confronting a feared situation. Although they recognize that their fear is excessive and unreasonable, people with social anxiety disorder often feel powerless against their anxiety.
https://adaa.org/understanding-anxiety/social-anxiety-disorder
Depression is characterized by having at least five nine common symptoms. One of the symptoms must be either an overwhelming feeling of sadness or a loss of interest and pleasure in most usual activities. The other symptoms that are associated with major depression include decrease or increase in appetite, insomnia or hypersomnia, psychomotor agitation or retardation, constant fatigue, feelings of worthlessness or excessive and inappropriate guilt, recurrent thoughts of death and suicidal ideation with or without specific plans for committing suicide, and cognitive difficulties, such as, diminished ability to think, concentrate and take decisions. The symptoms must persist for two weeks or longer and represent a significant change from previous functioning. Social, occupational, educational, or other important functioning are impacted by major depressive disorder. For instance, the person may start missing work or school, or stop going to classes or their usual social activities.