The date [day,week,month,year] x1=d1=k1 is recurrence/repetition of the date [day,week,month,year] of the first event x2=d2, for the x3=k3'rd time, in system x3.
Named reference. It converts a sumti into another sumti. The converted sumti points to the referent the name of which is the referent of the unconverted sumti.
marks word/construct as being optional, i.e. the bridi would still be both grammatical AND reflect the speakers opinion/intention would the marked construct be left out
Echo-resumptive construction initiator: This particle immediately precedes a verb word (selbrivla) which is a repetition of a verb that already occurred in the same sentence in an outer clause level; the combination of this particle and that echo verb acts like a terminator, signaling a return to the closest clause level whose main verb was the same as the provided echo verb.
x1 (plural of ordered pairs) is an exhaustive set (possibly infinite) of inputs/outputs defining a unary function which yields result x3 when given input x2; x1(x2) = x3
x1 (group of entity) compete with each other in competition x2 (property of each member of x1) where each member of x1 has goal x3 (property of member of x1) that is the same for all members of x1
x1 (lu; quote) is said/expressed by x2, followed by expression x3 (lu; quote), via expressive medium x4, and then continuing on/proceeding/serially resuming to express/say x5 (lu; quote), and then x6 (lu; quote), and then x7 (lu; quote), ... (open-ended terbri structure of arbitrarily many sumti slots).