x1=j2=p3 (ka; jo'u/fa'u term) is the minor difference in/between x2=p2 and x3=p1 that is to be ignored, their similarity being by standard/in geometry x4; x2 is the same as/similar to/parallels x3 in standard/geometry x4 up to/modulo/except for/ignoring unimportant difference x1;
x1 (nu) is a conversation/dialogue/exchange/scene/series of communicative responses/series of expressions/series of messages/exchange of information event between participating speakers x2 (ordered list; ce'o) and passive or active audience members x3 (set; may repeat elements of x2) in languages x4 (use "fa'u" if desired) and via expressive media x5 (use "fa'u" if desired) in which the following utterances/messages/expressions are, in/according to frame of reference x6, made/sent or received in approximately the following chronological order: x7 (sedu'u/text/quote/lu'e concept vel sim.), x8 (sedu'u/text/quote/lu'e concept vel sim.), x9 (sedu'u/text/quote/lu'e concept vel sim.), ... (open-ended terbri structure of arbitrarily many sumti slots).
x1 is a source language for Lojbanic gismu x2, contributing word x3 (zoi) to make it, which were adapted into the Lojban alphabet as x4 (lo'u or zoi), the language having weight in the algorithm x5 (li)