Erayga "tilmaanta juqraafi" waxa loola jeedaa calaamad ama tilmaame tilmaamaya badeecada ka timid goob juqraafi gaar ah, halkaas oo tayada, sumcadda, ama sifada badeecada ay asal ahaan loo nisbeeyo asal ahaan juquraafi ahaan. Si kale haddii loo dhigo, tilmaanta juquraafi waa magac ama calaamad lagu isticmaalo alaabooyinka asal ahaan juquraafi gaar ah leh oo leh sifooyin ama astaamo u gaar ah asalkaas. Isticmaalka tilmaanta juquraafi ahaan waxay sida caadiga ah tusinaysaa heerka tayada, runnimada, iyo sumcada la xidhiidha meesha uu badeecadu ka soo jeedo.