x1 is a course (series of lessons) on subject x2, taught by x3 to audience x4
Refers to a full course of instruction, i.e. a curriculum or series of individual lessons at an educational institution. For an individual lesson, see ctusfi.
lutpoi: x1=po1=pl1 is a course / pathed sequence to x2=pl2 from x3=pl3 via / defined by steps / stages / including x4=po3=pl4 ordered by / sequenced by / listed by x5=po2.