In this task, you are given a sentence or phrase in Xhosa. You must translate it to English in a way that is equivalent in terms of meaning and grammatically correct.

Yimodeli ebuphawo ethe yaziswa iimihlaba yayo kwi-software; umzekelo, inkqubo yekhompyutha ethi ifuzisele iimpembelelo zemozulu kuqoqosho lwehlabathi. Ngokuphikisanayo: nemodeli yejiyografi; imodeli yezibalo; imodeli yokubalisa; imodeli ebutyhubhu. [DIS; IEEE]
A symbolic model whose properties are expressed in software; for example, a computer program that models the effects of climate on the world economy. Contrast with: graphical model; mathematical model; narrative model; tabular model. [DIS; IEEE]

Ukubophelela, bubugcisa obunzima kwaye bufuna iminyaka emininzi yokuzilolonga .
Roping is a difficult art and requires many years of practice.

Yonke iye ikhuseleke ngeziphumlisi ezilingana umphezulu womgca ophakathi.

The whole is then secured by the stops fitted along the top of the centre-line.