The document summarizes mood disorders and their classification. It describes the main features of manic episodes, depressive episodes, bipolar mood disorder, recurrent depressive disorder, and persistent mood disorder. Manic episodes are characterized by elevated mood and increased psychomotor activity. Depressive episodes involve depressed mood, loss of interest, and feelings of worthlessness. Bipolar disorder involves recurrent episodes of mania and depression. Treatment involves medications like antidepressants, lithium, antipsychotics as well as psychosocial therapies.