What is NICHE blog?

If you had thought of starting a blog and gone through some of the online stuff about how to blog then you would have definitely come across this term-NICHE blog.So what exactly is this niche blog?What is meant by NICHE?Let us try to gather a brief knowledge about this.

The term niche means focused.So niche blog means the entire blog is focused on any single subject.Suppose let us say there is a blog on several gadgets like cell phones,computers,camcoders,cameras,PDA's ..etc like that.Hence that blog is divided into several sections for each one.Each of these sections on cell phones,cameras...etc individually refers to niche.And blogging about a particualr one is called NICHE blogging.

A niche market can have a several niche included in it.Suppose for example take one niche computers from gadgets.In that computers there are several sections like desktops,laptops..etc.and again take laptops and in that you get several niches like mini laptops,laptops of different brands,apple imac's..etc like that.So blogging about about any of the niche market and only about it in their entire blog is called niche blogging.