What does one-half mean?

Okay i know all of you guuys are like this is a very stupid question...but like i dont seem to know... what does one-half mean? does it mean like if you have to type up a report and it saids write abut one-half page...does that mean one page and a half or halp of a page...sorry i know this is such a stupid question but thanks or answering! 10 points for the best chosen answer by me!