HTML tables?

I typologies of a table in HTML. I have a problem understanding colspan and rowspan. The following is my code. Why is a space in the first column? Why this difference? Thanks for all the answers.

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1. This space in column 1 (From the 1st line) is caused by

who arrived just before the "About Us" … you see? If you want to look like milling and then add "within the guidelines. 2. I'm not sure what" great divide "to speak .. If you are still referring to the 1st column/1st online then see # 1 … If you mean the difference visible in the bottom right, is due to its "colspan / rowspan" you have given … It is logical it would be total … If you want to remove and then replace the missing part with "

"For every step (must be 6 per row) with 8 rows

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