Freytag's pyramid

Most fugues open with a short main theme, the subject, which then sounds successively in each voice (after the first voice is finished stating the subject, a second voice repeats the subject at a different pitch, and other voices repeat in the same way); when each voice has entered, the exposition is complete.

contain (v.) late 13c., from Old French contein-, stem of contenir, from Latin continere (transitive) "to hold together, enclose," from com- "together" (see com-) tenere "to hold" (see tenet). Related: Containable.

content (n.) "that which is contained," early 15c., from Latin contentum, contenta, noun use of past participle of continere (see contain). Meaning "satisfaction" is from 1570s; heart's content is from 1590s (Shakespeare).

design (n.) 1580s, from Middle French desseign "purpose, project, design," from Italian disegno, from disegnare "to mark out," from Latin designare "to mark out" (see design (v.)).

design (v.) 1540s, from Latin designare “mark out, devise, choose, designate, appoint,” from de- “out” (see de-) + signare “to mark,” from signum “a mark, sign” (see sign (n.)). Originally in English with the meaning now attached to designate; many modern uses of design are metaphoric extensions. Related: Designed; designing

Confusion is a necessary condition for the discovery of truth, because nature does not make leaps from obscure to distinct thought.