How to define url structure for big website?

I would like to know about SEO point of view,

What's the funda of url structure?

Please help me,

Thanks in advance.

You can add keywords in url to make it seo friendly.

Here I have mention some useful point, you must considered when optimize your URL structures for better search engine placements.

1) Describe Your Keyword
2) Size Matters
3) Static URL's are best
4) Hyphens Separate Best

URL structure is often an aspect of an organisation's website where it's worth looking to see if there is any room for improvement.

Here I have mention some useful point, you must considered when optimize your URL structures for better search engine placements.

1) Describe Your Keyword
2) Size Matters
3) Static URL's are best
4) Hyphens Separate Best