It provides a way for the devices in your home, for example, to reach your ISP, and therefore the outside world, allowing the host address to do things like access website login credentials and communicate directly with other computers and servers around the world.
Ọ na-enye ụzọ maka ngwaọrụ dị na ụlọ gị, dịka ọmụmaatụ, iji ruo ISP gị, ya mere ụwa nke dị n'èzí, na-enye ha ohere ime ihe dị ka ịnweta weebụsaịtị ma na-ekwurịta okwu na kọmputa ndị ọzọ.