#one

What does "one" mean?
OsteopatiaNoEsporte, OwnNeverEnvy, outcast_nation_elites, OurNewEra, OmicronNuEpsilon, OpiNailEnvy, OldsmobileNineEight, OxNxE

one-direction 60714483 one-dayatatime 973368 one-d 776471 one-w 933683 one-piece 4020406 one-love 6830212 one-ofakind 2280625 one-sie 1203900 one-day 2029348 one-year 981285 one-directioninfection 930315 one-life 739818 one-directionimagines 787509 one-andonly 1017888 one-directionfunny 729285 one-okrock 616708 one-way 258639 one-world 233390 one-al 100406 one-month 406910 one-team 243370 one-shot 246624 one-week 288515 one-sies 291498 one-time 212605 one-yearold 480444 one-more 262171 one-goal 179510 one-directionimagine 532061 one-treehill 447366 one-republic 464562 one-ness 384108 one- piece 240090 one-eye 154164 one-punchman 580438 one-off 119269 one-ofthosedays 308463 one-heart 202230 one-inamillion 258768 one-ill 111461 one-istanbul 273859 one-directionrp 147157 one-lasttime 279033 one-pieceanime 115243 one-withnature 108987 one-happyisland 174461 one-moreday 304449 one-mansdream2 101646 one-step 102503 one-stepatatime 266830 one-god 85888 one-plus 107761 one-yearago 323709