DQ response no more than 350 word response please with references

Chapter six in the textbook (Butcher, Hooley, & Mineka, 2014) discusses panic, anxiety, obsessions, and their disorders.  These are the following disorders from the DSM-5 (American Psychiatric Association, 2013):

Anxiety Disorders

• Separation Anxiety Disorder

• Selective Mutism

• ·Specific Phobia

• Social Anxiety Disorder (Social Phobia)

• Panic Disorder

• ·Panic Attack (Specifier)

• Agoraphobia

• ·Generalized Anxiety Disorder

• Substance/Medication-Induced Anxiety Disorder

• Anxiety Disorder Due to Another Medical Condition

• ·Other Specified Anxiety Disorder

• Unspecified Anxiety Disorder

Obsessive-Compulsive and Related Disorders

• Obsessive-Compulsive Disorder

• Body Dysmorphic Disorder

• Hoarding Disorder

• ·Trichotillomania (Hair-Pulling Disorder)

• ·Excoriation (Skin-Picking) Disorder

• ·Substance/Medication-Induced Obsessive-Compulsive and Related Disorder

• Obsessive-Compulsive and Related Disorder Due to Another Medical Condition

• Other Specified Obsessive-Compulsive and Related Disorder

• Unspecified Obsessive-Compulsive and Related Disorder

What is something that these disorders have in common or how are they different?