x1=v1=k1 is a word/quotation crossing other words/quotations, meaning/defined by x2=v2, located at x3=k3
Across -> pinta, down -> sraji, crossword puzzle -> "kucyvla se namkei". Example: "12 across: what you like -> beautiful" is "zo melbi cu kucyvla lu da poi do nelci li'u li pare poi pinta". x1 may be a non grammatical quotation.