FORM: the large-scale structure of a work or movement: e.g. "sonata-allegro" or "rondo"
STYLE: a manner or mode of composition: e.g. "imitative polyphony" or "melody and accompaniment"
TIMBRE: tone quality created by mixture of fundamental with overtones
ORCHESTRATION: the choice of which instruments play which notes in a piece for orchestra
DYNAMICS: written instructions to perform softly or loudly (e.g. "pianissimo," "piano," "forte," "fortissimo")
TEMPO: the general speed of a movement, often described with an Italian name [SG]
MOTTO THEME: a unifying theme that recurs in several movements of a large work like a symphony
FRAGMENTATION: breaking up of a theme or motive into smaller parts
CODA: a brief concluding passage, like an afterthought
All of the terms in the Haydn glossary remain very relevant!