This must be specified for all types except submit and reset. The NAME attribute is used when putting together the query string when submit is selected. SIZE specifies the size of the text and password input field in characters. The default is 20. The default is unlimited characters.
SIZE specifies the number of items in the list.
The value of SIZE determines how many items are visible. Depending on which one you specified as your method, you receive the information in different ways. An unchecked box is disregarded completely when assembling the query string. If the method was POST, the string is sent in a data block. Your CGI program receives the encoded form on standard input.