- three
- a single couplet consisting of a transition, subordinate theme (group), closing section, and retransition
- an incomplete refrain lacks a home-key authentic cadence; an abridged refrain consists only of the A or A' section of the original refrain built as a complete small ternary
- a transition may be omitted, the subordinate theme may lack a closing PAC, the subordinate theme may be relatively compressed and simple in structure
- a transition-like pre-core
- retransition, in order to dramatize the return of the rondo refrain
- submediant and subdominant
- at that point where the music of the recapitulation stops corresponding to the exposition
- all of refrain 3 or most of refrain 4 (leaving initial motives to suggest the refrain)