In order to work with tables, you need to start thinking in grids. Tables, just like spreadsheets, are made up of rows and columns. Here you can see a grid of rectangles. Each rectangle is known as a coll. A row is made up of a set of cells on the same [...]
Tables can be divided into three portions: a header, a body, and a foot. The head and foot are rather similar to headers and footers in a word-processed document that remain the same for every page, while the body is the main content of the table.
The separation of the parts of the [...]
As you saw when looking at the td and th elements, both can carry an attribute that allows the table to span more than one column.
The rowpsan attribute does much the same thing as the colspan attribute, but it works in the opposite direction; it allows cells to stretch vertically across cells.