Basically WebTables are HTML entities, its normal HTML Tables.
Definition: Web tables are basically tabular structures in web pages arranged in a row and column format. Web Table is an HTML element which is displayed with the help of <table> tag in conjunction with the <tr> and <td> tags. <tr> tag represents a row whereas <td> represents a column.
you can identify a table on your HTML page by using,
driver.findElement(By.tagName("table"));