Respuesta :

Answer:

Behaviour

Style

Structure

Explanation:

Above are the three primary separation of concerns for a web application at client side.

Structure --> we can define the structure of the application at client side using HTML

style-->style is used to give some styling information like font,color,headings so on at client side .In general we use CSS to do this at client side

Behaviour--> it actually defines the functionality of the elements at client side like when we click button what it should do.We will use JavaScript to define the behaviours at client side