What are forms ?

What do you understand by controls in forms ?

Write the tags to define the following :

(i) A text box

(ii) A text area

(iii) A radio button

(iv) A check box

(v) A Password box

(vi) A pop up box

(vii) Submit button

(viii) A Label

Write HTML code to produce following controls :

Grade :         A       B       C
Subjects :      English         Maths
                Computers       Accounts
                Economics
                Business Studies