It is a written sheet of paper containing information mostly numerical data arranged in a grid.

Utilizes computer software to look to different pages to search for a keyword

Avoid unpleasant languages when communicating others online.

It is very important to read and understand the contents before distributing documents and media files or joining online activities.

Successive rows and columns that interact with one another.

Links to websites that make it easy for you to get back to your favorite or frequently visited website or pages.

Give your personal address to your friends whom you meet online recently.

Ignore unknown contact.

a visual presentation of a concept