Tables are used extensively in printed or electronic documents as, a table is a block of information, which is divided into columns and/or rows of blocks, called cells. A table is like a grid of rows and columns where each intersection of row and column is called a cell. It provides structuring and layout to information into rows and columns as shown.
Tables are commonly used to display data that fits in a grid such as schedules, listings, financial reports, results, etc. To work with tables, thinking in grid layout is needed. Before making a HTML table, it is to plan out table about number of rows and columns needed for display of information.