Mood disorders that include highs have their own vocabulary, and getting these words right changes the whole picture, because the treatment differs from depression alone.
What separates bipolar disorder from depression is the presence of highs. Mania is the full, often impairing version; hypomania is the milder one; and cyclothymia is a longer-running, lower-grade pattern of ups and downs. The highs come with their own words, like grandiosity and racing thoughts.
This distinction is one of the most consequential in psychiatry, because the first-line treatment for bipolar disorder centers on mood stabilizers like lithium rather than antidepressants alone. When mood symptoms overlap with psychosis, the picture can shade into schizoaffective disorder.