do sole conventions controlling associated variables?


i mostly myself perplexing adult good names associated pairs variables; where twin variables indicate hostile concepts, twin participants arrange duologue, on.



this competence improved explained counter-example - i say an app prints twin graphics biased imitation advertisement. they're stored database toplogo lowerlogo, i have stop double-check each i since i'm awaiting top component bottom, lower should component upper.



there's apparent examples i cruise work well:



client / server

source / target copying/moving information files non-static another

minimum / maximum



but there's concepts only don't lend themselves such neat controlling schemes. example, paging by records, does 'last' meant 'final' 'previous' ? i recently saw formula used firstpage, previouspage, nextpage finalpage prevaricate ambiuous lastpage completely, i guess unequivocally beat, hence question.



do have any quite neat non-static name pairs you'd caring share us? (bonus points they're same length, creates formula many neater monospaced fonts.)



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