Looks like no one added any tags here yet for you.
Symphony
Comprised of movements
Movements
Self-contained section of music that is part of a larger work, make up symphonies
Opera
A musical drama - no speaking
Aria
Main song in operas - reflection of emotion, one character singing
Recitative
Type of song in opera - “speaking” words in a theatrical/musical manner, used for progression of plot
Ensemble
Type of song in (Classical) opera - sung by two or more people, plot action proceeds, makes operas quicker
Character piece
A solo piece for piano - like a poem, meant to portray a mood or character